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-rw-r--r--includes/SpecialWhatlinkshere.php322
1 files changed, 0 insertions, 322 deletions
diff --git a/includes/SpecialWhatlinkshere.php b/includes/SpecialWhatlinkshere.php
deleted file mode 100644
index 16a44ee6..00000000
--- a/includes/SpecialWhatlinkshere.php
+++ /dev/null
@@ -1,322 +0,0 @@
-<?php
-/**
- *
- * @addtogroup SpecialPage
- */
-
-/**
- * Entry point
- * @param string $par An article name ??
- */
-function wfSpecialWhatlinkshere($par = NULL) {
- global $wgRequest;
- $page = new WhatLinksHerePage( $wgRequest, $par );
- $page->execute();
-}
-
-/**
- * implements Special:Whatlinkshere
- * @addtogroup SpecialPage
- */
-class WhatLinksHerePage {
- var $request, $par;
- var $limit, $from, $back, $target;
- var $selfTitle, $skin;
-
- private $namespace;
-
- function WhatLinksHerePage( &$request, $par = null ) {
- global $wgUser;
- $this->request =& $request;
- $this->skin = $wgUser->getSkin();
- $this->par = $par;
- }
-
- function execute() {
- global $wgOut;
-
- $this->limit = min( $this->request->getInt( 'limit', 50 ), 5000 );
- if ( $this->limit <= 0 ) {
- $this->limit = 50;
- }
- $this->from = $this->request->getInt( 'from' );
- $this->back = $this->request->getInt( 'back' );
-
- $targetString = isset($this->par) ? $this->par : $this->request->getVal( 'target' );
-
- if ( is_null( $targetString ) ) {
- $wgOut->addHTML( $this->whatlinkshereForm() );
- return;
- }
-
- $this->target = Title::newFromURL( $targetString );
- if( !$this->target ) {
- $wgOut->addHTML( $this->whatlinkshereForm() );
- return;
- }
- $this->selfTitle = Title::makeTitleSafe( NS_SPECIAL,
- 'Whatlinkshere/' . $this->target->getPrefixedDBkey() );
-
- $wgOut->setPageTitle( wfMsg( 'whatlinkshere-title', $this->target->getPrefixedText() ) );
- $wgOut->setSubtitle( wfMsg( 'linklistsub' ) );
-
- $wgOut->addHTML( wfMsgExt( 'whatlinkshere-barrow', array( 'escapenoentities') ) . ' ' .$this->skin->makeLinkObj($this->target, '', 'redirect=no' )."<br />\n");
-
- $this->showIndirectLinks( 0, $this->target, $this->limit, $this->from, $this->back );
- }
-
- /**
- * @param int $level Recursion level
- * @param Title $target Target title
- * @param int $limit Number of entries to display
- * @param Title $from Display from this article ID
- * @param Title $back Display from this article ID at backwards scrolling
- * @private
- */
- function showIndirectLinks( $level, $target, $limit, $from = 0, $back = 0 ) {
- global $wgOut;
- $fname = 'WhatLinksHerePage::showIndirectLinks';
- $dbr = wfGetDB( DB_READ );
- $options = array();
-
- $ns = $this->request->getIntOrNull( 'namespace' );
- if ( isset( $ns ) ) {
- $options['namespace'] = $ns;
- $this->setNamespace( $options['namespace'] );
- } else {
- $options['namespace'] = '';
- }
-
- // Make the query
- $plConds = array(
- 'page_id=pl_from',
- 'pl_namespace' => $target->getNamespace(),
- 'pl_title' => $target->getDBkey(),
- );
-
- $tlConds = array(
- 'page_id=tl_from',
- 'tl_namespace' => $target->getNamespace(),
- 'tl_title' => $target->getDBkey(),
- );
-
- if ( $this->namespace !== null ){
- $plConds['page_namespace'] = (int)$this->namespace;
- $tlConds['page_namespace'] = (int)$this->namespace;
- }
-
- if ( $from ) {
- $from = (int)$from; // just in case
- $tlConds[] = "tl_from >= $from";
- $plConds[] = "pl_from >= $from";
- }
-
- // Read an extra row as an at-end check
- $queryLimit = $limit + 1;
-
- // enforce join order, sometimes namespace selector may
- // trigger filesorts which are far less efficient than scanning many entries
- $options[] = 'STRAIGHT_JOIN';
-
- $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 );
-
- $options['ORDER BY'] = 'tl_from';
- $tlRes = $dbr->select( array( 'templatelinks', 'page' ), $fields,
- $tlConds, $fname, $options );
-
- if ( !$dbr->numRows( $plRes ) && !$dbr->numRows( $tlRes ) ) {
- if ( 0 == $level ) {
- $options = array(); // reinitialize for a further namespace search
- // really no links to here
- $options['namespace'] = $this->namespace;
- $options['target'] = $this->target->getPrefixedText();
- list( $options['limit'], $options['offset']) = wfCheckLimits();
- $wgOut->addHTML( $this->whatlinkshereForm( $options ) );
- $errMsg = isset( $this->namespace ) ? 'nolinkshere-ns' : 'nolinkshere';
- $wgOut->addWikiMsg( $errMsg, $this->target->getPrefixedText() );
- }
- return;
- }
-
- $options = array();
- list( $options['limit'], $options['offset']) = wfCheckLimits();
- if ( ( $ns = $this->request->getVal( 'namespace', null ) ) !== null && $ns !== '' && ctype_digit($ns) ) {
- $options['namespace'] = intval( $ns );
- $this->setNamespace( $options['namespace'] );
- } else {
- $options['namespace'] = '';
- $this->setNamespace( null );
- }
- $options['offset'] = $this->request->getVal( 'offset' );
- /* Offset must be an integral. */
- if ( !strlen( $options['offset'] ) || !preg_match( '/^[0-9]+$/', $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;
- }
- $dbr->freeResult( $plRes );
- while ( $row = $dbr->fetchObject( $tlRes ) ) {
- $row->is_template = 1;
- $rows[$row->page_id] = $row;
- }
- $dbr->freeResult( $tlRes );
-
- // Sort by key and then change the keys to 0-based indices
- ksort( $rows );
- $rows = array_values( $rows );
-
- $numRows = count( $rows );
-
- // Work out the start and end IDs, for prev/next links
- if ( $numRows > $limit ) {
- // More rows available after these ones
- // Get the ID from the last row in the result set
- $nextId = $rows[$limit]->page_id;
- // Remove undisplayed rows
- $rows = array_slice( $rows, 0, $limit );
- } else {
- // No more rows after
- $nextId = false;
- }
- $prevId = $from;
-
- if ( $level == 0 ) {
- $wgOut->addHTML( $this->whatlinkshereForm( $options ) );
- $wgOut->addWikiMsg( 'linkshere', $this->target->getPrefixedText() );
-
- $prevnext = $this->getPrevNext( $limit, $prevId, $nextId, $options['namespace'] );
- $wgOut->addHTML( $prevnext );
- }
-
- $wgOut->addHTML( '<ul>' );
- foreach ( $rows as $row ) {
- $nt = Title::makeTitle( $row->page_namespace, $row->page_title );
-
- if ( $row->page_is_redirect ) {
- $extra = 'redirect=no';
- } else {
- $extra = '';
- }
-
- $link = $this->skin->makeKnownLinkObj( $nt, '', $extra );
- $wgOut->addHTML( '<li>'.$link );
-
- // Display properties (redirect or template)
- $props = array();
- if ( $row->page_is_redirect ) {
- $props[] = wfMsgHtml( 'isredirect' );
- }
- if ( $row->is_template ) {
- $props[] = wfMsgHtml( 'istemplate' );
- }
- if ( count( $props ) ) {
- $list = implode( wfMsgHtml( 'semicolon-separator' ), $props );
- $wgOut->addHTML( " ($list) " );
- }
-
- # Space for utilities links, with a what-links-here link provided
- $wlh = $this->skin->makeKnownLinkObj(
- SpecialPage::getTitleFor( 'Whatlinkshere' ),
- wfMsgHtml( 'whatlinkshere-links' ),
- 'target=' . $nt->getPrefixedUrl()
- );
- $wgOut->addHtml( ' <span class="mw-whatlinkshere-tools">(' . $wlh . ')</span>' );
-
- if ( $row->page_is_redirect ) {
- if ( $level < 2 ) {
- $this->showIndirectLinks( $level + 1, $nt, 500 );
- }
- }
- $wgOut->addHTML( "</li>\n" );
- }
- $wgOut->addHTML( "</ul>\n" );
-
- if( $level == 0 ) {
- $wgOut->addHTML( $prevnext );
- }
- }
-
- function makeSelfLink( $text, $query ) {
- return $this->skin->makeKnownLinkObj( $this->selfTitle, $text, $query );
- }
-
- function getPrevNext( $limit, $prevId, $nextId ) {
- global $wgLang;
- $fmtLimit = $wgLang->formatNum( $limit );
- $prev = wfMsgExt( 'whatlinkshere-prev', array( 'parsemag', 'escape' ), $fmtLimit );
- $next = wfMsgExt( 'whatlinkshere-next', array( 'parsemag', 'escape' ), $fmtLimit );
-
- $nsText = '';
- if( is_int($this->namespace) ) {
- $nsText = "&namespace={$this->namespace}";
- }
-
- if ( 0 != $prevId ) {
- $prevLink = $this->makeSelfLink( $prev, "limit={$limit}&from={$this->back}{$nsText}" );
- } else {
- $prevLink = $prev;
- }
- if ( 0 != $nextId ) {
- $nextLink = $this->makeSelfLink( $next, "limit={$limit}&from={$nextId}&back={$prevId}{$nsText}" );
- } else {
- $nextLink = $next;
- }
- $nums = $this->numLink( 20, $prevId ) . ' | ' .
- $this->numLink( 50, $prevId ) . ' | ' .
- $this->numLink( 100, $prevId ) . ' | ' .
- $this->numLink( 250, $prevId ) . ' | ' .
- $this->numLink( 500, $prevId );
-
- return wfMsgHtml( 'viewprevnext', $prevLink, $nextLink, $nums );
- }
-
- function numLink( $limit, $from, $ns = null ) {
- global $wgLang;
- $query = "limit={$limit}&from={$from}";
- if( is_int($this->namespace) ) { $query .= "&namespace={$this->namespace}";}
- $fmtLimit = $wgLang->formatNum( $limit );
- return $this->makeSelfLink( $fmtLimit, $query );
- }
-
- function whatlinkshereForm( $options = array( 'target' => '', 'namespace' => '' ) ) {
- global $wgScript, $wgTitle;
-
- $options['title'] = $wgTitle->getPrefixedText();
-
- $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) ) .
- Xml::openElement( 'fieldset' ) .
- Xml::element( 'legend', array(), wfMsg( 'whatlinkshere' ) ) .
- Xml::inputLabel( wfMsg( 'whatlinkshere-page' ), 'target', 'mw-whatlinkshere-target', 40, $options['target'] ) . ' ';
-
- foreach ( $options as $name => $value ) {
- if( $name === 'namespace' || $name === 'target' )
- continue;
- $f .= "\t" . Xml::hidden( $name, $value ). "\n";
- }
-
- $f .= Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
- Xml::namespaceSelector( $options['namespace'], '' ) .
- Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
- Xml::closeElement( 'fieldset' ) .
- Xml::closeElement( 'form' ) . "\n";
-
- return $f;
- }
-
- /** Set the namespace we are filtering on */
- private function setNamespace( $ns ) {
- $this->namespace = $ns;
- }
-
-}