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<?php /** * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @file */ namespace MediaWiki\Specials; use MediaWiki\Cache\LinkCache; use MediaWiki\Html\Html; use MediaWiki\HTMLForm\Field\HTMLCheckField; use MediaWiki\HTMLForm\HTMLForm; use MediaWiki\Title\Title; use Wikimedia\Rdbms\IConnectionProvider; use Wikimedia\Rdbms\IExpression; use Wikimedia\Rdbms\LikeValue; /** * Implements Special:Prefixindex * * @ingroup SpecialPage * @ingroup Search */ class SpecialPrefixIndex extends SpecialAllPages { /** * Whether to remove the searched prefix from the displayed link. Useful * for inclusion of a set of subpages in a root page. * @var bool */ protected $stripPrefix = false; /** @var bool */ protected $hideRedirects = false; // Inherit $maxPerPage // phpcs:ignore MediaWiki.Commenting.PropertyDocumentation.WrongStyle private IConnectionProvider $dbProvider; private LinkCache $linkCache; /** * @param IConnectionProvider $dbProvider * @param LinkCache $linkCache */ public function __construct( IConnectionProvider $dbProvider, LinkCache $linkCache ) { parent::__construct( $dbProvider ); $this->mName = 'Prefixindex'; $this->dbProvider = $dbProvider; $this->linkCache = $linkCache; } /** * Entry point: initialise variables and call subfunctions. * @param string|null $par Becomes "FOO" when called like Special:Prefixindex/FOO */ public function execute( $par ) { $this->setHeaders(); $this->outputHeader(); $out = $this->getOutput(); $out->addModuleStyles( 'mediawiki.special' ); # GET values $request = $this->getRequest(); $from = $request->getVal( 'from', '' ); $prefix = $request->getVal( 'prefix', '' ); $ns = $request->getIntOrNull( 'namespace' ); $namespace = (int)$ns; // if no namespace given, use 0 (NS_MAIN). $this->hideRedirects = $request->getBool( 'hideredirects', $this->hideRedirects ); $this->stripPrefix = $request->getBool( 'stripprefix', $this->stripPrefix ); $namespaces = $this->getContentLanguage()->getNamespaces(); $out->setPageTitleMsg( ( $namespace > 0 && array_key_exists( $namespace, $namespaces ) ) ? $this->msg( 'prefixindex-namespace' )->plaintextParams( str_replace( '_', ' ', $namespaces[$namespace] ) ) : $this->msg( 'prefixindex' ) ); $showme = ''; if ( $par !== null ) { $showme = $par; } elseif ( $prefix != '' ) { $showme = $prefix; } elseif ( $from != '' && $ns === null ) { // For back-compat with Special:Allpages // Don't do this if namespace is passed, so paging works when doing NS views. $showme = $from; } // T29864: if transcluded, show all pages instead of the form. if ( $this->including() || $showme != '' || $ns !== null ) { $this->showPrefixChunk( $namespace, $showme, $from ); } else { $out->addHTML( $this->namespacePrefixForm( $namespace, '' )->getHTML( false ) ); } } /** * Prepared HTMLForm object for the top form * @param int $namespace A namespace constant (default NS_MAIN). * @param string $from DbKey we are starting listing at. * @return HTMLForm */ protected function namespacePrefixForm( $namespace = NS_MAIN, $from = '' ): HTMLForm { $formDescriptor = [ 'prefix' => [ 'label-message' => 'allpagesprefix', 'name' => 'prefix', 'id' => 'nsfrom', 'type' => 'text', 'size' => '30', 'default' => str_replace( '_', ' ', $from ), ], 'namespace' => [ 'type' => 'namespaceselect', 'name' => 'namespace', 'id' => 'namespace', 'label-message' => 'namespace', 'all' => null, 'default' => $namespace, ], 'hidedirects' => [ 'class' => HTMLCheckField::class, 'name' => 'hideredirects', 'label-message' => 'allpages-hide-redirects', ], 'stripprefix' => [ 'class' => HTMLCheckField::class, 'name' => 'stripprefix', 'label-message' => 'prefixindex-strip', ], ]; $this->getHookRunner()->onSpecialPrefixIndexGetFormFilters( $this->getContext(), $formDescriptor ); $htmlForm = HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() ) ->setMethod( 'get' ) ->setTitle( $this->getPageTitle() ) // Remove subpage ->setWrapperLegendMsg( 'prefixindex' ) ->setSubmitTextMsg( 'prefixindex-submit' ); return $htmlForm->prepareForm(); } /** * @param int $namespace * @param string $prefix * @param string|null $from List all pages from this name (default false) */ protected function showPrefixChunk( $namespace, $prefix, $from = null ) { $from ??= $prefix; $fromList = $this->getNamespaceKeyAndText( $namespace, $from ); $prefixList = $this->getNamespaceKeyAndText( $namespace, $prefix ); $namespaces = $this->getContentLanguage()->getNamespaces(); $res = null; $n = 0; $nextRow = null; $preparedHtmlForm = $this->namespacePrefixForm( $namespace, $prefix ); if ( !$prefixList || !$fromList ) { $out = $this->msg( 'allpagesbadtitle' )->parseAsBlock(); } elseif ( !array_key_exists( $namespace, $namespaces ) ) { // Show errormessage and reset to NS_MAIN $out = $this->msg( 'allpages-bad-ns', $namespace )->parse(); $namespace = NS_MAIN; } else { [ $namespace, $prefixKey, $prefix ] = $prefixList; [ /* $fromNS */, $fromKey, ] = $fromList; # ## @todo FIXME: Should complain if $fromNs != $namespace $dbr = $this->dbProvider->getReplicaDatabase(); $queryBuiler = $dbr->newSelectQueryBuilder() ->select( LinkCache::getSelectFields() ) ->from( 'page' ) ->where( [ 'page_namespace' => $namespace, $dbr->expr( 'page_title', IExpression::LIKE, new LikeValue( $prefixKey, $dbr->anyString() ) ), $dbr->expr( 'page_title', '>=', $fromKey ), ] ) ->orderBy( 'page_title' ) ->limit( $this->maxPerPage + 1 ) ->useIndex( 'page_name_title' ); if ( $this->hideRedirects ) { $queryBuiler->andWhere( [ 'page_is_redirect' => 0 ] ); } $this->getHookRunner()->onSpecialPrefixIndexQuery( $preparedHtmlForm->mFieldData, $queryBuiler ); $res = $queryBuiler->caller( __METHOD__ )->fetchResultSet(); // @todo FIXME: Side link to previous if ( $res->numRows() > 0 ) { $out = Html::openElement( 'ul', [ 'class' => 'mw-prefixindex-list' ] ); $prefixLength = strlen( $prefix ); foreach ( $res as $row ) { if ( $n >= $this->maxPerPage ) { $nextRow = $row; break; } $title = Title::newFromRow( $row ); // Make sure it gets into LinkCache $this->linkCache->addGoodLinkObjFromRow( $title, $row ); $displayed = $title->getText(); // Try not to generate unclickable links if ( $this->stripPrefix && $prefixLength !== strlen( $displayed ) ) { $displayed = substr( $displayed, $prefixLength ); } $link = ( $title->isRedirect() ? '<div class="allpagesredirect">' : '' ) . $this->getLinkRenderer()->makeKnownLink( $title, $displayed ) . ( $title->isRedirect() ? '</div>' : '' ); $out .= "<li>$link</li>\n"; $n++; } $out .= Html::closeElement( 'ul' ); if ( $res->numRows() > 2 ) { // Only apply CSS column styles if there are more than 2 entries. // Otherwise, rendering is broken as "mw-prefixindex-body"'s CSS column count is 3. $out = Html::rawElement( 'div', [ 'class' => 'mw-prefixindex-body' ], $out ); } } else { $out = ''; } } $output = $this->getOutput(); if ( $this->including() ) { // We don't show the nav-links and the form when included in other // pages, so let's just finish here. $output->addHTML( $out ); return; } $topOut = $preparedHtmlForm->getHTML( false ); if ( $res && ( $n == $this->maxPerPage ) && $nextRow ) { $query = [ 'from' => $nextRow->page_title, 'prefix' => $prefix, 'hideredirects' => $this->hideRedirects, 'stripprefix' => $this->stripPrefix, ]; if ( $namespace || $prefix == '' ) { // Keep the namespace even if it's 0 for empty prefixes. // This tells us we're not just a holdover from old links. $query['namespace'] = $namespace; } $nextLink = $this->getLinkRenderer()->makeKnownLink( $this->getPageTitle(), $this->msg( 'nextpage', str_replace( '_', ' ', $nextRow->page_title ) )->text(), [], $query ); // Link shown at the top of the page below the form $topOut .= Html::rawElement( 'div', [ 'class' => 'mw-prefixindex-nav' ], $nextLink ); // Link shown at the footer $out .= "\n" . Html::element( 'hr' ) . Html::rawElement( 'div', [ 'class' => 'mw-prefixindex-nav' ], $nextLink ); } $output->addHTML( $topOut . $out ); } protected function getGroupName() { return 'pages'; } } /** * Retain the old class name for backwards compatibility. * @deprecated since 1.41 */ class_alias( SpecialPrefixIndex::class, 'SpecialPrefixindex' );
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