diff options
Diffstat (limited to 'includes/SpecialRecentchanges.php')
-rw-r--r-- | includes/SpecialRecentchanges.php | 709 |
1 files changed, 709 insertions, 0 deletions
diff --git a/includes/SpecialRecentchanges.php b/includes/SpecialRecentchanges.php new file mode 100644 index 00000000..97f810d9 --- /dev/null +++ b/includes/SpecialRecentchanges.php @@ -0,0 +1,709 @@ +<?php +/** + * + * @package MediaWiki + * @subpackage SpecialPage + */ + +/** + * + */ +require_once( 'ChangesList.php' ); + +/** + * Constructor + */ +function wfSpecialRecentchanges( $par, $specialPage ) { + global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol, $wgDBtype; + global $wgRCShowWatchingUsers, $wgShowUpdatedMarker; + global $wgAllowCategorizedRecentChanges ; + $fname = 'wfSpecialRecentchanges'; + + # Get query parameters + $feedFormat = $wgRequest->getVal( 'feed' ); + + /* Checkbox values can't be true be default, because + * we cannot differentiate between unset and not set at all + */ + $defaults = array( + /* int */ 'days' => $wgUser->getDefaultOption('rcdays'), + /* int */ 'limit' => $wgUser->getDefaultOption('rclimit'), + /* bool */ 'hideminor' => false, + /* bool */ 'hidebots' => true, + /* bool */ 'hideanons' => false, + /* bool */ 'hideliu' => false, + /* bool */ 'hidepatrolled' => false, + /* bool */ 'hidemyself' => false, + /* text */ 'from' => '', + /* text */ 'namespace' => null, + /* bool */ 'invert' => false, + /* bool */ 'categories_any' => false, + ); + + extract($defaults); + + + $days = $wgUser->getOption( 'rcdays' ); + if ( !$days ) { $days = $defaults['days']; } + $days = $wgRequest->getInt( 'days', $days ); + + $limit = $wgUser->getOption( 'rclimit' ); + if ( !$limit ) { $limit = $defaults['limit']; } + + # list( $limit, $offset ) = wfCheckLimits( 100, 'rclimit' ); + $limit = $wgRequest->getInt( 'limit', $limit ); + + /* order of selection: url > preferences > default */ + $hideminor = $wgRequest->getBool( 'hideminor', $wgUser->getOption( 'hideminor') ? true : $defaults['hideminor'] ); + + # As a feed, use limited settings only + if( $feedFormat ) { + global $wgFeedLimit; + if( $limit > $wgFeedLimit ) { + $options['limit'] = $wgFeedLimit; + } + + } else { + + $namespace = $wgRequest->getIntOrNull( 'namespace' ); + $invert = $wgRequest->getBool( 'invert', $defaults['invert'] ); + $hidebots = $wgRequest->getBool( 'hidebots', $defaults['hidebots'] ); + $hideanons = $wgRequest->getBool( 'hideanons', $defaults['hideanons'] ); + $hideliu = $wgRequest->getBool( 'hideliu', $defaults['hideliu'] ); + $hidepatrolled = $wgRequest->getBool( 'hidepatrolled', $defaults['hidepatrolled'] ); + $hidemyself = $wgRequest->getBool ( 'hidemyself', $defaults['hidemyself'] ); + $from = $wgRequest->getVal( 'from', $defaults['from'] ); + + # Get query parameters from path + if( $par ) { + $bits = preg_split( '/\s*,\s*/', trim( $par ) ); + foreach ( $bits as $bit ) { + if ( 'hidebots' == $bit ) $hidebots = 1; + if ( 'bots' == $bit ) $hidebots = 0; + if ( 'hideminor' == $bit ) $hideminor = 1; + if ( 'minor' == $bit ) $hideminor = 0; + if ( 'hideliu' == $bit ) $hideliu = 1; + if ( 'hidepatrolled' == $bit ) $hidepatrolled = 1; + if ( 'hideanons' == $bit ) $hideanons = 1; + if ( 'hidemyself' == $bit ) $hidemyself = 1; + + if ( is_numeric( $bit ) ) { + $limit = $bit; + } + + if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) { + $limit = $m[1]; + } + + if ( preg_match( '/^days=(\d+)$/', $bit, $m ) ) { + $days = $m[1]; + } + } + } + } + + if ( $limit < 0 || $limit > 5000 ) $limit = $defaults['limit']; + + + # Database connection and caching + $dbr =& wfGetDB( DB_SLAVE ); + extract( $dbr->tableNames( 'recentchanges', 'watchlist' ) ); + + + $cutoff_unixtime = time() - ( $days * 86400 ); + $cutoff_unixtime = $cutoff_unixtime - ($cutoff_unixtime % 86400); + $cutoff = $dbr->timestamp( $cutoff_unixtime ); + if(preg_match('/^[0-9]{14}$/', $from) and $from > wfTimestamp(TS_MW,$cutoff)) { + $cutoff = $dbr->timestamp($from); + } else { + $from = $defaults['from']; + } + + # 10 seconds server-side caching max + $wgOut->setSquidMaxage( 10 ); + + # Get last modified date, for client caching + # Don't use this if we are using the patrol feature, patrol changes don't update the timestamp + $lastmod = $dbr->selectField( 'recentchanges', 'MAX(rc_timestamp)', false, $fname ); + if ( $feedFormat || !$wgUseRCPatrol ) { + if( $lastmod && $wgOut->checkLastModified( $lastmod ) ){ + # Client cache fresh and headers sent, nothing more to do. + return; + } + } + + # It makes no sense to hide both anons and logged-in users + # Where this occurs, force anons to be shown + if( $hideanons && $hideliu ) + $hideanons = false; + + # Form WHERE fragments for all the options + $hidem = $hideminor ? 'AND rc_minor = 0' : ''; + $hidem .= $hidebots ? ' AND rc_bot = 0' : ''; + $hidem .= $hideliu ? ' AND rc_user = 0' : ''; + $hidem .= ( $wgUseRCPatrol && $hidepatrolled ) ? ' AND rc_patrolled = 0' : ''; + $hidem .= $hideanons ? ' AND rc_user != 0' : ''; + + if( $hidemyself ) { + if( $wgUser->getID() ) { + $hidem .= ' AND rc_user != ' . $wgUser->getID(); + } else { + $hidem .= ' AND rc_user_text != ' . $dbr->addQuotes( $wgUser->getName() ); + } + } + + # Namespace filtering + $hidem .= is_null( $namespace ) ? '' : ' AND rc_namespace' . ($invert ? '!=' : '=') . $namespace; + + // This is the big thing! + + $uid = $wgUser->getID(); + + // Perform query + $forceclause = $dbr->useIndexClause("rc_timestamp"); + $sql2 = "SELECT * FROM $recentchanges $forceclause". + ($uid ? "LEFT OUTER JOIN $watchlist ON wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace " : "") . + "WHERE rc_timestamp >= '{$cutoff}' {$hidem} " . + "ORDER BY rc_timestamp DESC"; + $sql2 = $dbr->limitResult($sql2, $limit, 0); + $res = $dbr->query( $sql2, $fname ); + + // Fetch results, prepare a batch link existence check query + $rows = array(); + $batch = new LinkBatch; + while( $row = $dbr->fetchObject( $res ) ){ + $rows[] = $row; + if ( !$feedFormat ) { + // User page link + $title = Title::makeTitleSafe( NS_USER, $row->rc_user_text ); + $batch->addObj( $title ); + + // User talk + $title = Title::makeTitleSafe( NS_USER_TALK, $row->rc_user_text ); + $batch->addObj( $title ); + } + + } + $dbr->freeResult( $res ); + + if( $feedFormat ) { + rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod ); + } else { + + # Web output... + + // Run existence checks + $batch->execute(); + $any = $wgRequest->getBool( 'categories_any', $defaults['categories_any']); + + // Output header + if ( !$specialPage->including() ) { + $wgOut->addWikiText( wfMsgForContent( "recentchangestext" ) ); + + // Dump everything here + $nondefaults = array(); + + wfAppendToArrayIfNotDefault( 'days', $days, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'limit', $limit , $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'hideminor', $hideminor, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'hidebots', $hidebots, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'hideanons', $hideanons, $defaults, $nondefaults ); + wfAppendToArrayIfNotDefault( 'hideliu', $hideliu, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'hidepatrolled', $hidepatrolled, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'hidemyself', $hidemyself, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'from', $from, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'namespace', $namespace, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'invert', $invert, $defaults, $nondefaults); + wfAppendToArrayIfNotDefault( 'categories_any', $any, $defaults, $nondefaults); + + // Add end of the texts + $wgOut->addHTML( '<div class="rcoptions">' . rcOptionsPanel( $defaults, $nondefaults ) . "\n" ); + $wgOut->addHTML( rcNamespaceForm( $namespace, $invert, $nondefaults, $any ) . '</div>'."\n"); + } + + // And now for the content + $sk = $wgUser->getSkin(); + $wgOut->setSyndicated( true ); + + $list = ChangesList::newFromUser( $wgUser ); + + if ( $wgAllowCategorizedRecentChanges ) { + $categories = trim ( $wgRequest->getVal ( 'categories' , "" ) ) ; + $categories = str_replace ( "|" , "\n" , $categories ) ; + $categories = explode ( "\n" , $categories ) ; + rcFilterByCategories ( $rows , $categories , $any ) ; + } + + $s = $list->beginRecentChangesList(); + $counter = 1; + foreach( $rows as $obj ){ + if( $limit == 0) { + break; + } + + if ( ! ( $hideminor && $obj->rc_minor ) && + ! ( $hidepatrolled && $obj->rc_patrolled ) ) { + $rc = RecentChange::newFromRow( $obj ); + $rc->counter = $counter++; + + if ($wgShowUpdatedMarker + && !empty( $obj->wl_notificationtimestamp ) + && ($obj->rc_timestamp >= $obj->wl_notificationtimestamp)) { + $rc->notificationtimestamp = true; + } else { + $rc->notificationtimestamp = false; + } + + if ($wgRCShowWatchingUsers && $wgUser->getOption( 'shownumberswatching' )) { + $sql3 = "SELECT COUNT(*) AS n FROM $watchlist WHERE wl_title='" . $dbr->strencode($obj->rc_title) ."' AND wl_namespace=$obj->rc_namespace" ; + $res3 = $dbr->query( $sql3, 'wfSpecialRecentChanges'); + $x = $dbr->fetchObject( $res3 ); + $rc->numberofWatchingusers = $x->n; + } else { + $rc->numberofWatchingusers = 0; + } + $s .= $list->recentChangesLine( $rc, !empty( $obj->wl_user ) ); + --$limit; + } + } + $s .= $list->endRecentChangesList(); + $wgOut->addHTML( $s ); + } +} + +function rcFilterByCategories ( &$rows , $categories , $any ) { + require_once ( 'Categoryfinder.php' ) ; + + # Filter categories + $cats = array () ; + foreach ( $categories AS $cat ) { + $cat = trim ( $cat ) ; + if ( $cat == "" ) continue ; + $cats[] = $cat ; + } + + # Filter articles + $articles = array () ; + $a2r = array () ; + foreach ( $rows AS $k => $r ) { + $nt = Title::newFromText ( $r->rc_title , $r->rc_namespace ) ; + $id = $nt->getArticleID() ; + if ( $id == 0 ) continue ; # Page might have been deleted... + if ( !in_array ( $id , $articles ) ) { + $articles[] = $id ; + } + if ( !isset ( $a2r[$id] ) ) { + $a2r[$id] = array() ; + } + $a2r[$id][] = $k ; + } + + # Shortcut? + if ( count ( $articles ) == 0 OR count ( $cats ) == 0 ) + return ; + + # Look up + $c = new Categoryfinder ; + $c->seed ( $articles , $cats , $any ? "OR" : "AND" ) ; + $match = $c->run () ; + + # Filter + $newrows = array () ; + foreach ( $match AS $id ) { + foreach ( $a2r[$id] AS $rev ) { + $k = $rev ; + $newrows[$k] = $rows[$k] ; + } + } + $rows = $newrows ; +} + +function rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod ) { + global $messageMemc, $wgDBname, $wgFeedCacheTimeout; + global $wgFeedClasses, $wgTitle, $wgSitename, $wgContLanguageCode; + + if( !isset( $wgFeedClasses[$feedFormat] ) ) { + wfHttpError( 500, "Internal Server Error", "Unsupported feed type." ); + return false; + } + + $timekey = "$wgDBname:rcfeed:$feedFormat:timestamp"; + $key = "$wgDBname:rcfeed:$feedFormat:limit:$limit:minor:$hideminor"; + + $feedTitle = $wgSitename . ' - ' . wfMsgForContent( 'recentchanges' ) . + ' [' . $wgContLanguageCode . ']'; + $feed = new $wgFeedClasses[$feedFormat]( + $feedTitle, + htmlspecialchars( wfMsgForContent( 'recentchangestext' ) ), + $wgTitle->getFullUrl() ); + + /** + * Bumping around loading up diffs can be pretty slow, so where + * possible we want to cache the feed output so the next visitor + * gets it quick too. + */ + $cachedFeed = false; + if( ( $wgFeedCacheTimeout > 0 ) && ( $feedLastmod = $messageMemc->get( $timekey ) ) ) { + /** + * If the cached feed was rendered very recently, we may + * go ahead and use it even if there have been edits made + * since it was rendered. This keeps a swarm of requests + * from being too bad on a super-frequently edited wiki. + */ + if( time() - wfTimestamp( TS_UNIX, $feedLastmod ) + < $wgFeedCacheTimeout + || wfTimestamp( TS_UNIX, $feedLastmod ) + > wfTimestamp( TS_UNIX, $lastmod ) ) { + wfDebug( "RC: loading feed from cache ($key; $feedLastmod; $lastmod)...\n" ); + $cachedFeed = $messageMemc->get( $key ); + } else { + wfDebug( "RC: cached feed timestamp check failed ($feedLastmod; $lastmod)\n" ); + } + } + if( is_string( $cachedFeed ) ) { + wfDebug( "RC: Outputting cached feed\n" ); + $feed->httpHeaders(); + echo $cachedFeed; + } else { + wfDebug( "RC: rendering new feed and caching it\n" ); + ob_start(); + rcDoOutputFeed( $rows, $feed ); + $cachedFeed = ob_get_contents(); + ob_end_flush(); + + $expire = 3600 * 24; # One day + $messageMemc->set( $key, $cachedFeed ); + $messageMemc->set( $timekey, wfTimestamp( TS_MW ), $expire ); + } + return true; +} + +function rcDoOutputFeed( $rows, &$feed ) { + $fname = 'rcDoOutputFeed'; + wfProfileIn( $fname ); + + $feed->outHeader(); + + # Merge adjacent edits by one user + $sorted = array(); + $n = 0; + foreach( $rows as $obj ) { + if( $n > 0 && + $obj->rc_namespace >= 0 && + $obj->rc_cur_id == $sorted[$n-1]->rc_cur_id && + $obj->rc_user_text == $sorted[$n-1]->rc_user_text ) { + $sorted[$n-1]->rc_last_oldid = $obj->rc_last_oldid; + } else { + $sorted[$n] = $obj; + $n++; + } + $first = false; + } + + foreach( $sorted as $obj ) { + $title = Title::makeTitle( $obj->rc_namespace, $obj->rc_title ); + $talkpage = $title->getTalkPage(); + $item = new FeedItem( + $title->getPrefixedText(), + rcFormatDiff( $obj ), + $title->getFullURL(), + $obj->rc_timestamp, + $obj->rc_user_text, + $talkpage->getFullURL() + ); + $feed->outItem( $item ); + } + $feed->outFooter(); + wfProfileOut( $fname ); +} + +/** + * + */ +function rcCountLink( $lim, $d, $page='Recentchanges', $more='' ) { + global $wgUser, $wgLang, $wgContLang; + $sk = $wgUser->getSkin(); + $s = $sk->makeKnownLink( $wgContLang->specialPage( $page ), + ($lim ? $wgLang->formatNum( "{$lim}" ) : wfMsg( 'recentchangesall' ) ), "{$more}" . + ($d ? "days={$d}&" : '') . 'limit='.$lim ); + return $s; +} + +/** + * + */ +function rcDaysLink( $lim, $d, $page='Recentchanges', $more='' ) { + global $wgUser, $wgLang, $wgContLang; + $sk = $wgUser->getSkin(); + $s = $sk->makeKnownLink( $wgContLang->specialPage( $page ), + ($d ? $wgLang->formatNum( "{$d}" ) : wfMsg( 'recentchangesall' ) ), $more.'days='.$d . + ($lim ? '&limit='.$lim : '') ); + return $s; +} + +/** + * Used by Recentchangeslinked + */ +function rcDayLimitLinks( $days, $limit, $page='Recentchanges', $more='', $doall = false, $minorLink = '', + $botLink = '', $liuLink = '', $patrLink = '', $myselfLink = '' ) { + if ($more != '') $more .= '&'; + $cl = rcCountLink( 50, $days, $page, $more ) . ' | ' . + rcCountLink( 100, $days, $page, $more ) . ' | ' . + rcCountLink( 250, $days, $page, $more ) . ' | ' . + rcCountLink( 500, $days, $page, $more ) . + ( $doall ? ( ' | ' . rcCountLink( 0, $days, $page, $more ) ) : '' ); + $dl = rcDaysLink( $limit, 1, $page, $more ) . ' | ' . + rcDaysLink( $limit, 3, $page, $more ) . ' | ' . + rcDaysLink( $limit, 7, $page, $more ) . ' | ' . + rcDaysLink( $limit, 14, $page, $more ) . ' | ' . + rcDaysLink( $limit, 30, $page, $more ) . + ( $doall ? ( ' | ' . rcDaysLink( $limit, 0, $page, $more ) ) : '' ); + + $linkParts = array( 'minorLink' => 'minor', 'botLink' => 'bots', 'liuLink' => 'liu', 'patrLink' => 'patr', 'myselfLink' => 'mine' ); + foreach( $linkParts as $linkVar => $linkMsg ) { + if( $$linkVar != '' ) + $links[] = wfMsgHtml( 'rcshowhide' . $linkMsg, $$linkVar ); + } + + $shm = implode( ' | ', $links ); + $note = wfMsg( 'rclinks', $cl, $dl, $shm ); + return $note; +} + + +/** + * Makes change an option link which carries all the other options + * @param $title @see Title + * @param $override + * @param $options + */ +function makeOptionsLink( $title, $override, $options ) { + global $wgUser, $wgContLang; + $sk = $wgUser->getSkin(); + return $sk->makeKnownLink( $wgContLang->specialPage( 'Recentchanges' ), + $title, wfArrayToCGI( $override, $options ) ); +} + +/** + * Creates the options panel. + * @param $defaults + * @param $nondefaults + */ +function rcOptionsPanel( $defaults, $nondefaults ) { + global $wgLang, $wgUseRCPatrol; + + $options = $nondefaults + $defaults; + + if( $options['from'] ) + $note = wfMsgExt( 'rcnotefrom', array( 'parseinline' ), + $wgLang->formatNum( $options['limit'] ), + $wgLang->timeanddate( $options['from'], true ) ); + else + $note = wfMsgExt( 'rcnote', array( 'parseinline' ), + $wgLang->formatNum( $options['limit'] ), + $wgLang->formatNum( $options['days'] ), + $wgLang->timeAndDate( wfTimestampNow(), true ) ); + + // limit links + $options_limit = array(50, 100, 250, 500); + foreach( $options_limit as $value ) { + $cl[] = makeOptionsLink( $wgLang->formatNum( $value ), + array( 'limit' => $value ), $nondefaults) ; + } + $cl = implode( ' | ', $cl); + + // day links, reset 'from' to none + $options_days = array(1, 3, 7, 14, 30); + foreach( $options_days as $value ) { + $dl[] = makeOptionsLink( $wgLang->formatNum( $value ), + array( 'days' => $value, 'from' => '' ), $nondefaults) ; + } + $dl = implode( ' | ', $dl); + + + // show/hide links + $showhide = array( wfMsg( 'show' ), wfMsg( 'hide' )); + $minorLink = makeOptionsLink( $showhide[1-$options['hideminor']], + array( 'hideminor' => 1-$options['hideminor'] ), $nondefaults); + $botLink = makeOptionsLink( $showhide[1-$options['hidebots']], + array( 'hidebots' => 1-$options['hidebots'] ), $nondefaults); + $anonsLink = makeOptionsLink( $showhide[ 1 - $options['hideanons'] ], + array( 'hideanons' => 1 - $options['hideanons'] ), $nondefaults ); + $liuLink = makeOptionsLink( $showhide[1-$options['hideliu']], + array( 'hideliu' => 1-$options['hideliu'] ), $nondefaults); + $patrLink = makeOptionsLink( $showhide[1-$options['hidepatrolled']], + array( 'hidepatrolled' => 1-$options['hidepatrolled'] ), $nondefaults); + $myselfLink = makeOptionsLink( $showhide[1-$options['hidemyself']], + array( 'hidemyself' => 1-$options['hidemyself'] ), $nondefaults); + + $links[] = wfMsgHtml( 'rcshowhideminor', $minorLink ); + $links[] = wfMsgHtml( 'rcshowhidebots', $botLink ); + $links[] = wfMsgHtml( 'rcshowhideanons', $anonsLink ); + $links[] = wfMsgHtml( 'rcshowhideliu', $liuLink ); + if( $wgUseRCPatrol ) + $links[] = wfMsgHtml( 'rcshowhidepatr', $patrLink ); + $links[] = wfMsgHtml( 'rcshowhidemine', $myselfLink ); + $hl = implode( ' | ', $links ); + + // show from this onward link + $now = $wgLang->timeanddate( wfTimestampNow(), true ); + $tl = makeOptionsLink( $now, array( 'from' => wfTimestampNow()), $nondefaults ); + + $rclinks = wfMsgExt( 'rclinks', array( 'parseinline', 'replaceafter'), + $cl, $dl, $hl ); + $rclistfrom = wfMsgExt( 'rclistfrom', array( 'parseinline', 'replaceafter'), $tl ); + return "$note<br />$rclinks<br />$rclistfrom"; + +} + +/** + * Creates the choose namespace selection + * + * @private + * + * @param $namespace Mixed: the key of the currently selected namespace, empty string + * if there is none + * @param $invert Bool: whether to invert the namespace selection + * @param $nondefaults Array: an array of non default options to be remembered + * @param $categories_any Bool: Default value for the checkbox + * + * @return string + */ +function rcNamespaceForm( $namespace, $invert, $nondefaults, $categories_any ) { + global $wgScript, $wgAllowCategorizedRecentChanges, $wgRequest; + $t = Title::makeTitle( NS_SPECIAL, 'Recentchanges' ); + + $namespaceselect = HTMLnamespaceselector($namespace, ''); + $submitbutton = '<input type="submit" value="' . wfMsgHtml( 'allpagessubmit' ) . "\" />\n"; + $invertbox = "<input type='checkbox' name='invert' value='1' id='nsinvert'" . ( $invert ? ' checked="checked"' : '' ) . ' />'; + + if ( $wgAllowCategorizedRecentChanges ) { + $categories = trim ( $wgRequest->getVal ( 'categories' , "" ) ) ; + $cb_arr = array( 'type' => 'checkbox', 'name' => 'categories_any', 'value' => "1" ) ; + if ( $categories_any ) $cb_arr['checked'] = "checked" ; + $catbox = "<br />" ; + $catbox .= wfMsgExt('rc_categories', array('parseinline')) . " "; + $catbox .= wfElement('input', array( 'type' => 'text', 'name' => 'categories', 'value' => $categories)); + $catbox .= " " ; + $catbox .= wfElement('input', $cb_arr ); + $catbox .= wfMsgExt('rc_categories_any', array('parseinline')); + } else { + $catbox = "" ; + } + + $out = "<div class='namespacesettings'><form method='get' action='{$wgScript}'>\n"; + + foreach ( $nondefaults as $key => $value ) { + if ($key != 'namespace' && $key != 'invert') + $out .= wfElement('input', array( 'type' => 'hidden', 'name' => $key, 'value' => $value)); + } + + $out .= '<input type="hidden" name="title" value="'.$t->getPrefixedText().'" />'; + $out .= " +<div id='nsselect' class='recentchanges'> + <label for='namespace'>" . wfMsgHtml('namespace') . "</label> + {$namespaceselect}{$submitbutton}{$invertbox} <label for='nsinvert'>" . wfMsgHtml('invert') . "</label>{$catbox}\n</div>"; + $out .= '</form></div>'; + return $out; +} + + +/** + * Format a diff for the newsfeed + */ +function rcFormatDiff( $row ) { + $titleObj = Title::makeTitle( $row->rc_namespace, $row->rc_title ); + return rcFormatDiffRow( $titleObj, + $row->rc_last_oldid, $row->rc_this_oldid, + $row->rc_timestamp, + $row->rc_comment ); +} + +function rcFormatDiffRow( $title, $oldid, $newid, $timestamp, $comment ) { + global $wgFeedDiffCutoff, $wgContLang, $wgUser; + $fname = 'rcFormatDiff'; + wfProfileIn( $fname ); + + require_once( 'DifferenceEngine.php' ); + $skin = $wgUser->getSkin(); + $completeText = '<p>' . $skin->formatComment( $comment ) . "</p>\n"; + + if( $title->getNamespace() >= 0 ) { + if( $oldid ) { + wfProfileIn( "$fname-dodiff" ); + + $de = new DifferenceEngine( $title, $oldid, $newid ); + #$diffText = $de->getDiff( wfMsg( 'revisionasof', + # $wgContLang->timeanddate( $timestamp ) ), + # wfMsg( 'currentrev' ) ); + $diffText = $de->getDiff( + wfMsg( 'previousrevision' ), // hack + wfMsg( 'revisionasof', + $wgContLang->timeanddate( $timestamp ) ) ); + + + if ( strlen( $diffText ) > $wgFeedDiffCutoff ) { + // Omit large diffs + $diffLink = $title->escapeFullUrl( + 'diff=' . $newid . + '&oldid=' . $oldid ); + $diffText = '<a href="' . + $diffLink . + '">' . + htmlspecialchars( wfMsgForContent( 'difference' ) ) . + '</a>'; + } elseif ( $diffText === false ) { + // Error in diff engine, probably a missing revision + $diffText = "<p>Can't load revision $newid</p>"; + } else { + // Diff output fine, clean up any illegal UTF-8 + $diffText = UtfNormal::cleanUp( $diffText ); + $diffText = rcApplyDiffStyle( $diffText ); + } + wfProfileOut( "$fname-dodiff" ); + } else { + $rev = Revision::newFromId( $newid ); + if( is_null( $rev ) ) { + $newtext = ''; + } else { + $newtext = $rev->getText(); + } + $diffText = '<p><b>' . wfMsg( 'newpage' ) . '</b></p>' . + '<div>' . nl2br( htmlspecialchars( $newtext ) ) . '</div>'; + } + $completeText .= $diffText; + } + + wfProfileOut( $fname ); + return $completeText; +} + +/** + * Hacky application of diff styles for the feeds. + * Might be 'cleaner' to use DOM or XSLT or something, + * but *gack* it's a pain in the ass. + * + * @param $text String: + * @return string + * @private + */ +function rcApplyDiffStyle( $text ) { + $styles = array( + 'diff' => 'background-color: white;', + 'diff-otitle' => 'background-color: white;', + 'diff-ntitle' => 'background-color: white;', + 'diff-addedline' => 'background: #cfc; font-size: smaller;', + 'diff-deletedline' => 'background: #ffa; font-size: smaller;', + 'diff-context' => 'background: #eee; font-size: smaller;', + 'diffchange' => 'color: red; font-weight: bold;', + ); + + foreach( $styles as $class => $style ) { + $text = preg_replace( "/(<[^>]+)class=(['\"])$class\\2([^>]*>)/", + "\\1style=\"$style\"\\3", $text ); + } + + return $text; +} + +?> |