(bug 13718) Return the proper continue parameter for cmsort=timestamp

[lhc/web/wiklou.git] / includes / SpecialWhatlinkshere.php

diff --git a/includes/SpecialWhatlinkshere.php b/includes/SpecialWhatlinkshere.php
index b0ae19c..711290b 100644 (file)
--- a/includes/SpecialWhatlinkshere.php
+++ b/includes/SpecialWhatlinkshere.php
@@ -22,12 +22,13 @@ class WhatLinksHerePage {
        var $request, $par;
        var $limit, $from, $back, $target;
        var $selfTitle, $skin;
+       var $hideredirs, $hidetrans, $hidelinks, $fetchlinks;
 
        private $namespace;
 
-       function WhatLinksHerePage( &$request, $par = null ) {
+       function WhatLinksHerePage( $request, $par = null ) {
                global $wgUser;
-               $this->request =& $request;
+               $this->request = $request;
                $this->skin = $wgUser->getSkin();
                $this->par = $par;
        }
@@ -42,6 +43,11 @@ class WhatLinksHerePage {
                $this->from = $this->request->getInt( 'from' );
                $this->back = $this->request->getInt( 'back' );
 
+               $this->hideredirs = $this->request->getInt( 'hideredirs' );
+               $this->hidetrans = $this->request->getInt( 'hidetrans' );
+               $this->hidelinks = $this->request->getInt( 'hidelinks' );
+               $this->fetchlinks = !$this->hidelinks || !$this->hideredirs;
+
                $targetString = isset($this->par) ? $this->par : $this->request->getVal( 'target' );
 
                if ( is_null( $targetString ) ) {
@@ -74,9 +80,9 @@ class WhatLinksHerePage {
         * @private
         */
        function showIndirectLinks( $level, $target, $limit, $from = 0, $back = 0 ) {
-               global $wgOut;
+               global $wgOut, $wgMaxRedirectLinksRetrieved;
                $fname = 'WhatLinksHerePage::showIndirectLinks';
-               $dbr = wfGetDB( DB_READ );
+               $dbr = wfGetDB( DB_SLAVE );
                $options = array();
 
                $ns = $this->request->getIntOrNull( 'namespace' );
@@ -121,15 +127,19 @@ class WhatLinksHerePage {
                $options['LIMIT'] = $queryLimit;
                $fields = array( 'page_id', 'page_namespace', 'page_title', 'page_is_redirect' );
 
-               $options['ORDER BY'] = 'pl_from';
-               $plRes = $dbr->select( array( 'pagelinks', 'page' ), $fields,
-                       $plConds, $fname, $options );
+               if( $this->fetchlinks ) {
+                       $options['ORDER BY'] = 'pl_from';
+                       $plRes = $dbr->select( array( 'pagelinks', 'page' ), $fields,
+                               $plConds, $fname, $options );
+               }
 
-               $options['ORDER BY'] = 'tl_from';
-               $tlRes = $dbr->select( array( 'templatelinks', 'page' ), $fields,
-                       $tlConds, $fname, $options );
+               if( !$this->hidetrans ) {
+                       $options['ORDER BY'] = 'tl_from';
+                       $tlRes = $dbr->select( array( 'templatelinks', 'page' ), $fields,
+                               $tlConds, $fname, $options );
+               }
 
-               if ( !$dbr->numRows( $plRes ) && !$dbr->numRows( $tlRes ) ) {
+               if( ( !$this->fetchlinks || !$dbr->numRows( $plRes ) ) && ( $this->hidetrans || !$dbr->numRows( $tlRes ) ) ) {
                        if ( 0 == $level ) {
                                $options = array(); // reinitialize for a further namespace search
                                // really no links to here
@@ -138,7 +148,10 @@ class WhatLinksHerePage {
                                list( $options['limit'], $options['offset']) = wfCheckLimits();
                                $wgOut->addHTML( $this->whatlinkshereForm( $options ) );
                                $errMsg = isset( $this->namespace ) ? 'nolinkshere-ns' : 'nolinkshere';
-                               $wgOut->addWikiText( wfMsg( $errMsg, $this->target->getPrefixedText() ) );
+                               $wgOut->addWikiMsg( $errMsg, $this->target->getPrefixedText() );
+                               // Show filters only if there are links
+                               if( $this->hidelinks || $this->hidetrans || $this->hideredirs )
+                                       $wgOut->addHTML( $this->getFilterPanel() );
                        }
                        return;
                }
@@ -155,22 +168,27 @@ class WhatLinksHerePage {
                $options['offset'] = $this->request->getVal( 'offset' );
                /* Offset must be an integral. */
                if ( !strlen( $options['offset'] ) || !preg_match( '/^[0-9]+$/', $options['offset'] ) )
-               $options['offset'] = '';
+                       $options['offset'] = '';
                $options['target'] = $this->target->getPrefixedText();
 
                // Read the rows into an array and remove duplicates
                // templatelinks comes second so that the templatelinks row overwrites the
                // pagelinks row, so we get (inclusion) rather than nothing
-               while ( $row = $dbr->fetchObject( $plRes ) ) {
-                       $row->is_template = 0;
-                       $rows[$row->page_id] = $row;
+               if( $this->fetchlinks ) {
+                       while ( $row = $dbr->fetchObject( $plRes ) ) {
+                               $row->is_template = 0;
+                               $rows[$row->page_id] = $row;
+                       }
+                       $dbr->freeResult( $plRes );
+                       
                }
-               $dbr->freeResult( $plRes );
-               while ( $row = $dbr->fetchObject( $tlRes ) ) {
-                       $row->is_template = 1;
-                       $rows[$row->page_id] = $row;
+               if( !$this->hidetrans ) {
+                       while ( $row = $dbr->fetchObject( $tlRes ) ) {
+                               $row->is_template = 1;
+                               $rows[$row->page_id] = $row;
+                       }
+                       $dbr->freeResult( $tlRes );
                }
-               $dbr->freeResult( $tlRes );
 
                // Sort by key and then change the keys to 0-based indices
                ksort( $rows );
@@ -193,7 +211,8 @@ class WhatLinksHerePage {
 
                if ( $level == 0 ) {
                        $wgOut->addHTML( $this->whatlinkshereForm( $options ) );
-                       $wgOut->addWikiText( wfMsg( 'linkshere', $this->target->getPrefixedText() ) );
+                       $wgOut->addHTML( $this->getFilterPanel() );
+                       $wgOut->addWikiMsg( 'linkshere', $this->target->getPrefixedText() );
 
                        $prevnext = $this->getPrevNext( $limit, $prevId, $nextId, $options['namespace'] );
                        $wgOut->addHTML( $prevnext );
@@ -203,6 +222,11 @@ class WhatLinksHerePage {
                foreach ( $rows as $row ) {
                        $nt = Title::makeTitle( $row->page_namespace, $row->page_title );
 
+                       if( $this->hideredirs && $row->page_is_redirect )
+                               continue;
+                       if( $this->hidelinks && ( !$row->page_is_redirect && !$row->is_template ) )
+                               continue;
+
                        if ( $row->page_is_redirect ) {
                                $extra = 'redirect=no';
                        } else {
@@ -235,7 +259,7 @@ class WhatLinksHerePage {
                        
                        if ( $row->page_is_redirect ) {
                                if ( $level < 2 ) {
-                                       $this->showIndirectLinks( $level + 1, $nt, 500 );
+                                       $this->showIndirectLinks( $level + 1, $nt, $wgMaxRedirectLinksRetrieved );
                                }
                        }
                        $wgOut->addHTML( "</li>\n" );
@@ -319,4 +343,17 @@ class WhatLinksHerePage {
                $this->namespace = $ns;
        }
 
+       function getFilterPanel() {
+               $show = wfMsgHtml( 'show' );
+               $hide = wfMsgHtml( 'hide' );
+               $links = array();
+               foreach( array( 'hidetrans', 'hidelinks', 'hideredirs' ) as $type ) {
+                       $chosen = $this->$type;
+                       $msg = wfMsgHtml( "whatlinkshere-{$type}", $chosen ? $show : $hide );
+                       $url = $this->request->appendQueryValue( $type, intval( !$chosen ), true );
+                       $links[] = $this->makeSelfLink( $msg, $url );
+               }
+               return '<p>' . implode( '&nbsp;|&nbsp;', $links ) . '</p>';
+       }
+
 }