Prev/next links on Special:Whatlinkshere

diff --git a/includes/SpecialWhatlinkshere.php b/includes/SpecialWhatlinkshere.php
index fdcaaad..879b4ae 100644 (file)
--- a/includes/SpecialWhatlinkshere.php
+++ b/includes/SpecialWhatlinkshere.php
@@ -14,8 +14,8 @@ function wfSpecialWhatlinkshere($par = NULL) {
        $fname = 'wfSpecialWhatlinkshere';
 
        $target = $wgRequest->getVal( 'target' );
-       $limit = $wgRequest->getInt( 'limit', 500 );
-       
+       list( $limit, $offset ) = $wgRequest->getLimitOffset(); 
+
        if(!empty($par)) {
                $target = $par;
        } else if ( is_null( $target ) ) {
@@ -36,12 +36,20 @@ function wfSpecialWhatlinkshere($par = NULL) {
        $isredir = ' (' . wfMsg( 'isredirect' ) . ")\n";
 
        $wgOut->addHTML('&lt; '.$sk->makeKnownLinkObj($nt, '', 'redirect=no' )."<br />\n");
+
+       $specialTitle = Title::makeTitle( NS_SPECIAL, 'Whatlinkshere' );
+       $wgOut->addHTML( wfViewPrevNext( $offset, $limit, $specialTitle, 'target=' . urlencode( $target ) ) );
+
        $dbr =& wfGetDB( DB_SLAVE );
        extract( $dbr->tableNames( 'page', 'brokenlinks', 'links' ) );
 
        if ( 0 == $id ) {
+               print $dbr->limitResult( $limit, $offset );
+               exit;
+
                $sql = "SELECT page_id,page_namespace,page_title,page_is_redirect FROM $brokenlinks,$page WHERE bl_to='" .
-                 $dbr->strencode( $nt->getPrefixedDBkey() ) . "' AND bl_from=page_id LIMIT $limit";
+                 $dbr->strencode( $nt->getPrefixedDBkey() ) . "' AND bl_from=page_id " . 
+                 $dbr->limitResult( $limit, $offset );
                $res = $dbr->query( $sql, $fname );
 
                if ( 0 == $dbr->numRows( $res ) ) {
@@ -60,7 +68,7 @@ function wfSpecialWhatlinkshere($par = NULL) {
 
                                if ( $row->page_is_redirect ) {
                                        $wgOut->addHTML( $isredir );
-                                       wfShowIndirectLinks( 1, $row->page_id, $limit );
+                                       wfShowIndirectLinks( 1, $row->page_id, 500 );
                                }
                                $wgOut->addHTML( "</li>\n" );
                        }
@@ -68,21 +76,28 @@ function wfSpecialWhatlinkshere($par = NULL) {
                        $dbr->freeResult( $res );
                }
        } else {
-               wfShowIndirectLinks( 0, $id, $limit );
+               wfShowIndirectLinks( 0, $id, $limit, $offset );
        }
+       $wgOut->addHTML( wfViewPrevNext( $offset, $limit, $specialTitle, 'target=' . urlencode( $target ) ) );
 }
 
 /**
  *
  */
-function wfShowIndirectLinks( $level, $lid, $limit ) {
+function wfShowIndirectLinks( $level, $lid, $limit, $offset = 0 ) {
        global $wgOut, $wgUser;
        $fname = 'wfShowIndirectLinks';
 
        $dbr =& wfGetDB( DB_READ );
        extract( $dbr->tableNames( 'links','page' ) );
+       
+       if ( $level == 0 ) {
+               $limitSql = $dbr->limitResult( $limit, $offset );
+       } else {
+               $limitSql = "LIMIT $limit";
+       }
 
-       $sql = "SELECT page_id,page_namespace,page_title,page_is_redirect FROM $links,$page WHERE l_to={$lid} AND l_from=page_id LIMIT $limit";
+       $sql = "SELECT page_id,page_namespace,page_title,page_is_redirect FROM $links,$page WHERE l_to={$lid} AND l_from=page_id $limitSql";
        $res = $dbr->query( $sql, $fname );
 
        if ( 0 == $dbr->numRows( $res ) ) {
@@ -117,7 +132,7 @@ function wfShowIndirectLinks( $level, $lid, $limit ) {
                if ( $row->page_is_redirect ) {
                        $wgOut->addHTML( $isredir );
                        if ( $level < 2 ) {
-                               wfShowIndirectLinks( $level + 1, $row->page_id, $limit );
+                               wfShowIndirectLinks( $level + 1, $row->page_id, 500 );
                        }
                }
                $wgOut->addHTML( "</li>\n" );