Update auf 1.13.0

1 files changed, 178 insertions, 0 deletions

diff --git a/includes/specials/SpecialRecentchangeslinked.php b/includes/specials/SpecialRecentchangeslinked.php
new file mode 100644
index 00000000..d773fb77
--- /dev/null
+++ b/includes/specials/SpecialRecentchangeslinked.php
@@ -0,0 +1,178 @@
+<?php
+
+/**
+ * This is to display changes made to all articles linked in an article.
+ * @ingroup SpecialPage
+ */
+class SpecialRecentchangeslinked extends SpecialRecentchanges {
+
+	function __construct(){
+		SpecialPage::SpecialPage( 'Recentchangeslinked' );	
+	}
+
+	public function getDefaultOptions() {
+		$opts = parent::getDefaultOptions();
+		$opts->add( 'target', '' );
+		$opts->add( 'showlinkedto', false );
+		return $opts;
+	}
+
+	public function parseParameters( $par, FormOptions $opts ) {
+		$opts['target'] = $par;
+	}
+
+	public function feedSetup(){
+		global $wgRequest;
+		$opts = parent::feedSetup();
+		$opts['target'] = $wgRequest->getVal( 'target' );
+		return $opts;
+	}
+
+	public function getFeedObject( $feedFormat ){
+		$feed = new ChangesFeed( $feedFormat, false );
+		$feedObj = $feed->getFeedObject(
+			wfMsgForContent( 'recentchangeslinked-title', $this->mTargetTitle->getPrefixedText() ),
+			wfMsgForContent( 'recentchangeslinked' )
+		);
+		return array( $feed, $feedObj );
+	}
+
+	public function doMainQuery( $conds, $opts ) {
+		global $wgUser, $wgOut;
+
+		$target = $opts['target'];
+		$showlinkedto = $opts['showlinkedto'];
+		$limit = $opts['limit'];
+
+		if ( $target === '' ) {
+			return false;
+		}
+		$title = Title::newFromURL( $target );
+		if( !$title || $title->getInterwiki() != '' ){
+			$wgOut->wrapWikiMsg( '<div class="errorbox">$1</div><br clear="both" />', 'allpagesbadtitle' );
+			return false;
+		}
+		$this->mTargetTitle = $title;
+
+		$wgOut->setPageTitle( wfMsg( 'recentchangeslinked-title', $title->getPrefixedText() ) );
+
+		/*
+		 * Ordinary links are in the pagelinks table, while transclusions are
+		 * in the templatelinks table, categorizations in categorylinks and
+		 * image use in imagelinks.  We need to somehow combine all these.
+		 * Special:Whatlinkshere does this by firing multiple queries and
+		 * merging the results, but the code we inherit from our parent class
+		 * expects only one result set so we use UNION instead.
+		 */
+
+		$dbr = wfGetDB( DB_SLAVE, 'recentchangeslinked' );
+		$id = $title->getArticleId();
+		$ns = $title->getNamespace();
+		$dbkey = $title->getDBkey();
+
+		$tables = array( 'recentchanges' );
+		$select = array( $dbr->tableName( 'recentchanges' ) . '.*' );
+		$join_conds = array();
+
+		// left join with watchlist table to highlight watched rows
+		if( $uid = $wgUser->getId() ) {
+			$tables[] = 'watchlist';
+			$select[] = 'wl_user';
+			$join_conds['watchlist'] = array( 'LEFT JOIN', "wl_user={$uid} AND wl_title=rc_title AND wl_namespace=rc_namespace" );
+		}
+
+		// XXX: parent class does this, should we too?
+		// wfRunHooks('SpecialRecentChangesQuery', array( &$conds, &$tables, &$join_conds, $opts ) );
+
+		if( $ns == NS_CATEGORY && !$showlinkedto ) {
+			// special handling for categories
+			// XXX: should try to make this less klugy
+			$link_tables = array( 'categorylinks' );
+			$showlinkedto = true;
+		} else {
+			// for now, always join on these tables; really should be configurable as in whatlinkshere
+			$link_tables = array( 'pagelinks', 'templatelinks' );
+			// imagelinks only contains links to pages in NS_IMAGE
+			if( $ns == NS_IMAGE || !$showlinkedto ) $link_tables[] = 'imagelinks';
+		}
+
+		// field name prefixes for all the various tables we might want to join with
+		$prefix = array( 'pagelinks' => 'pl', 'templatelinks' => 'tl', 'categorylinks' => 'cl', 'imagelinks' => 'il' );
+
+		$subsql = array(); // SELECT statements to combine with UNION
+
+		foreach( $link_tables as $link_table ) {
+			$pfx = $prefix[$link_table];
+
+			// imagelinks and categorylinks tables have no xx_namespace field, and have xx_to instead of xx_title
+			if( $link_table == 'imagelinks' ) $link_ns = NS_IMAGE;
+			else if( $link_table == 'categorylinks' ) $link_ns = NS_CATEGORY;
+			else $link_ns = 0;
+
+			if( $showlinkedto ) {
+				// find changes to pages linking to this page
+				if( $link_ns ) {
+					if( $ns != $link_ns ) continue; // should never happen, but check anyway
+					$subconds = array( "{$pfx}_to" => $dbkey );
+				} else {
+					$subconds = array( "{$pfx}_namespace" => $ns, "{$pfx}_title" => $dbkey );
+				}
+				$subjoin = "rc_cur_id = {$pfx}_from";
+			} else {
+				// find changes to pages linked from this page
+				$subconds = array( "{$pfx}_from" => $id );
+				if( $link_table == 'imagelinks' || $link_table == 'categorylinks' ) {
+					$subconds["rc_namespace"] = $link_ns;
+					$subjoin = "rc_title = {$pfx}_to";
+				} else {
+					$subjoin = "rc_namespace = {$pfx}_namespace AND rc_title = {$pfx}_title";
+				}
+			}
+
+			$subsql[] = $dbr->selectSQLText( array_merge( $tables, array( $link_table ) ), $select, $conds + $subconds,
+							 __METHOD__, array( 'ORDER BY' => 'rc_timestamp DESC', 'LIMIT' => $limit ),
+							 $join_conds + array( $link_table => array( 'INNER JOIN', $subjoin ) ) );
+		}
+
+		if( count($subsql) == 0 )
+			return false; // should never happen
+		if( count($subsql) == 1 )
+			$sql = $subsql[0];
+		else {
+			// need to resort and relimit after union
+			$sql = "(" . implode( ") UNION (", $subsql ) . ") ORDER BY rc_timestamp DESC LIMIT {$limit}";
+		}
+
+		$res = $dbr->query( $sql, __METHOD__ );
+
+		if( $dbr->numRows( $res ) == 0 )
+			$this->mResultEmpty = true;
+
+		return $res;
+	}
+	
+	function getExtraOptions( $opts ){
+		$opts->consumeValues( array( 'showlinkedto', 'target' ) );
+		$extraOpts = array();
+		$extraOpts['namespace'] = $this->namespaceFilterForm( $opts );
+		$extraOpts['target'] = array( wfMsg( 'recentchangeslinked-page' ),
+			Xml::input( 'target', 40, str_replace('_',' ',$opts['target']) ) .
+			Xml::check( 'showlinkedto', $opts['showlinkedto'], array('id' => 'showlinkedto') ) . ' ' .
+			Xml::label( wfMsg("recentchangeslinked-to"), 'showlinkedto' ) );
+		$extraOpts['submit'] = Xml::submitbutton( wfMsg('allpagessubmit') );
+		return $extraOpts;
+	}
+	
+	function setTopText( &$out, $opts ){}
+	
+	function setBottomText( &$out, $opts ){
+		if( isset( $this->mTargetTitle ) && is_object( $this->mTargetTitle ) ){
+			global $wgUser;
+			$out->setFeedAppendQuery( "target=" . urlencode( $this->mTargetTitle->getPrefixedDBkey() ) );
+			$out->addHTML("&lt; ".$wgUser->getSkin()->makeLinkObj( $this->mTargetTitle, "", "redirect=no" )."<hr />\n");
+		}
+		if( isset( $this->mResultEmpty ) && $this->mResultEmpty ){
+			$out->addWikiMsg( 'recentchangeslinked-noresult' );	
+		}
+	}
+}