2012-05-03 13:01:35 +02:00
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<?php
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2013-01-18 16:46:04 +01:00
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/**
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* List and paging of category members.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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2020-10-26 13:23:55 +01:00
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use MediaWiki\HookContainer\ProtectedHookAccessorTrait;
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2021-12-19 15:08:59 +01:00
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use MediaWiki\Linker\LinkTarget;
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2017-01-15 11:27:25 +01:00
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use MediaWiki\MediaWikiServices;
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2021-12-19 15:08:59 +01:00
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use MediaWiki\Page\PageIdentity;
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use MediaWiki\Page\PageReference;
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2012-05-03 13:01:35 +02:00
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class CategoryViewer extends ContextSource {
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2020-10-26 13:23:55 +01:00
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use ProtectedHookAccessorTrait;
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2021-12-19 15:08:59 +01:00
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use DeprecationHelper;
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2020-10-26 13:23:55 +01:00
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2014-12-27 15:41:37 +01:00
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/** @var int */
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public $limit;
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2012-05-03 13:01:35 +02:00
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2014-12-27 15:41:37 +01:00
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/** @var array */
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public $from;
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2012-05-03 13:01:35 +02:00
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2014-12-27 15:41:37 +01:00
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/** @var array */
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public $until;
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2012-05-03 13:01:35 +02:00
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2014-12-27 15:41:37 +01:00
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/** @var string[] */
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public $articles;
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2012-05-03 13:01:35 +02:00
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2014-12-27 15:41:37 +01:00
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/** @var array */
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public $articles_start_char;
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2012-05-03 13:01:35 +02:00
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2014-12-27 15:41:37 +01:00
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/** @var array */
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public $children;
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2012-05-03 13:01:35 +02:00
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2014-12-27 15:41:37 +01:00
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/** @var array */
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public $children_start_char;
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/** @var bool */
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public $showGallery;
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/** @var array */
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public $imgsNoGallery_start_char;
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/** @var array */
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public $imgsNoGallery;
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/** @var array */
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public $nextPage;
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/** @var array */
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protected $prevPage;
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/** @var array */
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public $flip;
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2021-12-19 15:08:59 +01:00
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/** @var PageIdentity */
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protected $page;
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2014-12-27 15:41:37 +01:00
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/** @var Collation */
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public $collation;
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2017-08-06 09:22:00 +02:00
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/** @var ImageGalleryBase */
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2014-12-27 15:41:37 +01:00
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public $gallery;
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/** @var Category Category object for this page. */
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2012-05-03 13:01:35 +02:00
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private $cat;
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2014-12-27 15:41:37 +01:00
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/** @var array The original query array, to be used in generating paging links. */
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2012-05-03 13:01:35 +02:00
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private $query;
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2021-07-15 08:18:19 +02:00
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/** @var ILanguageConverter */
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private $languageConverter;
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2012-05-03 13:01:35 +02:00
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/**
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* @since 1.19 $context is a second, required parameter
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2021-12-19 15:08:59 +01:00
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* @param PageIdentity $page
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2014-12-27 15:41:37 +01:00
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* @param IContextSource $context
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2013-08-12 09:28:15 +02:00
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* @param array $from An array with keys page, subcat,
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* and file for offset of results of each section (since 1.17)
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* @param array $until An array with 3 keys for until of each section (since 1.17)
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2014-12-27 15:41:37 +01:00
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* @param array $query
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2012-05-03 13:01:35 +02:00
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*/
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2021-12-19 15:08:59 +01:00
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public function __construct( PageIdentity $page, IContextSource $context, array $from = [],
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array $until = [], array $query = []
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2014-12-27 15:41:37 +01:00
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) {
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2021-12-19 15:08:59 +01:00
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$this->page = $page;
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$this->deprecatePublicPropertyFallback(
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'title',
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'1.37',
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function (): Title {
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return Title::castFromPageIdentity( $this->page );
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},
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function ( PageIdentity $page ) {
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$this->page = $page;
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}
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);
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2012-05-03 13:01:35 +02:00
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$this->setContext( $context );
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2016-09-25 09:13:49 +02:00
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$this->getOutput()->addModuleStyles( [
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2015-06-04 07:31:04 +02:00
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'mediawiki.action.view.categoryPage.styles'
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2016-09-25 09:13:49 +02:00
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] );
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2012-05-03 13:01:35 +02:00
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$this->from = $from;
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$this->until = $until;
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2014-12-27 15:41:37 +01:00
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$this->limit = $context->getConfig()->get( 'CategoryPagingLimit' );
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2021-12-19 15:08:59 +01:00
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$this->cat = Category::newFromTitle( $page );
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2012-05-03 13:01:35 +02:00
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$this->query = $query;
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2021-12-19 15:08:59 +01:00
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$this->collation = MediaWikiServices::getInstance()->getCollationFactory()->getCategoryCollation();
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2021-07-15 08:18:19 +02:00
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$this->languageConverter = MediaWikiServices::getInstance()
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->getLanguageConverterFactory()->getLanguageConverter();
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2012-05-03 13:01:35 +02:00
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unset( $this->query['title'] );
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}
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/**
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* Format the category data list.
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*
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* @return string HTML output
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*/
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public function getHTML() {
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2014-12-27 15:41:37 +01:00
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$this->showGallery = $this->getConfig()->get( 'CategoryMagicGallery' )
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&& !$this->getOutput()->mNoGallery;
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2012-05-03 13:01:35 +02:00
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$this->clearCategoryState();
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$this->doCategoryQuery();
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$this->finaliseCategoryState();
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$r = $this->getSubcategorySection() .
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$this->getPagesSection() .
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$this->getImageSection();
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if ( $r == '' ) {
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// If there is no category content to display, only
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// show the top part of the navigation links.
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// @todo FIXME: Cannot be completely suppressed because it
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// is unknown if 'until' or 'from' makes this
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// give 0 results.
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2019-08-31 08:35:41 +02:00
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$r = $this->getCategoryTop();
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2012-05-03 13:01:35 +02:00
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} else {
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$r = $this->getCategoryTop() .
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$r .
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$this->getCategoryBottom();
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}
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// Give a proper message if category is empty
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if ( $r == '' ) {
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2013-01-18 16:46:04 +01:00
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$r = $this->msg( 'category-empty' )->parseAsBlock();
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2012-05-03 13:01:35 +02:00
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}
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$lang = $this->getLanguage();
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2016-09-25 09:13:49 +02:00
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$attribs = [
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'class' => 'mw-category-generated',
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'lang' => $lang->getHtmlCode(),
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'dir' => $lang->getDir()
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];
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2012-05-03 13:01:35 +02:00
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# put a div around the headings which are in the user language
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2021-12-19 15:08:59 +01:00
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$r = Html::rawElement( 'div', $attribs, $r );
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2012-05-03 13:01:35 +02:00
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return $r;
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}
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2020-10-26 13:23:55 +01:00
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protected function clearCategoryState() {
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2016-09-25 09:13:49 +02:00
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$this->articles = [];
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$this->articles_start_char = [];
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$this->children = [];
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$this->children_start_char = [];
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2012-05-03 13:01:35 +02:00
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if ( $this->showGallery ) {
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2013-12-08 09:55:49 +01:00
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// Note that null for mode is taken to mean use default.
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$mode = $this->getRequest()->getVal( 'gallerymode', null );
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try {
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2014-12-27 15:41:37 +01:00
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$this->gallery = ImageGalleryBase::factory( $mode, $this->getContext() );
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2015-06-04 07:31:04 +02:00
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} catch ( Exception $e ) {
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2013-12-08 09:55:49 +01:00
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// User specified something invalid, fallback to default.
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2014-12-27 15:41:37 +01:00
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$this->gallery = ImageGalleryBase::factory( false, $this->getContext() );
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2013-12-08 09:55:49 +01:00
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}
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2012-05-03 13:01:35 +02:00
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$this->gallery->setHideBadImages();
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} else {
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2016-09-25 09:13:49 +02:00
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$this->imgsNoGallery = [];
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$this->imgsNoGallery_start_char = [];
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2012-05-03 13:01:35 +02:00
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}
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}
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/**
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* Add a subcategory to the internal lists, using a Category object
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2014-12-27 15:41:37 +01:00
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* @param Category $cat
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* @param string $sortkey
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* @param int $pageLength
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2012-05-03 13:01:35 +02:00
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*/
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2020-10-26 13:23:55 +01:00
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public function addSubcategoryObject( Category $cat, $sortkey, $pageLength ) {
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2012-05-03 13:01:35 +02:00
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// Subcategory; strip the 'Category' namespace from the link text.
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2021-12-19 15:08:59 +01:00
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$pageRecord = MediaWikiServices::getInstance()->getPageStore()
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->getPageByReference( $cat->getPage() );
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2012-05-03 13:01:35 +02:00
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2015-06-04 07:31:04 +02:00
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$this->children[] = $this->generateLink(
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'subcat',
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2021-12-19 15:08:59 +01:00
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$pageRecord,
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$pageRecord->isRedirect(),
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htmlspecialchars( str_replace( '_', ' ', $pageRecord->getDBkey() ) )
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2015-06-04 07:31:04 +02:00
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);
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2012-05-03 13:01:35 +02:00
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$this->children_start_char[] =
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2021-12-19 15:08:59 +01:00
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$this->getSubcategorySortChar( $cat->getPage(), $sortkey );
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2012-05-03 13:01:35 +02:00
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}
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2021-07-15 08:18:19 +02:00
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/**
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* @param string $type
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2021-12-19 15:08:59 +01:00
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* @param PageReference $page
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2021-07-15 08:18:19 +02:00
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* @param bool $isRedirect
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* @param string|null $html
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* @return string
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* Annotations needed to tell taint about HtmlArmor,
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* due to the use of the hook it is not possible to avoid raw html handling here
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* @param-taint $html tainted
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* @return-taint escaped
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*/
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2021-12-19 15:08:59 +01:00
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private function generateLink(
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string $type, PageReference $page, bool $isRedirect, ?string $html = null
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): string {
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2015-06-04 07:31:04 +02:00
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$link = null;
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2021-12-19 15:08:59 +01:00
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$legacyTitle = MediaWikiServices::getInstance()->getTitleFactory()
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->castFromPageReference( $page );
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$this->getHookRunner()->onCategoryViewer__generateLink( $type, $legacyTitle, $html, $link );
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2015-06-04 07:31:04 +02:00
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if ( $link === null ) {
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2017-08-06 09:22:00 +02:00
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$linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
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if ( $html !== null ) {
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$html = new HtmlArmor( $html );
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}
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2021-12-19 15:08:59 +01:00
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$link = $linkRenderer->makeLink( $page, $html );
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2015-06-04 07:31:04 +02:00
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}
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if ( $isRedirect ) {
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2021-12-19 15:08:59 +01:00
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$link = Html::rawElement(
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'span',
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[ 'class' => 'redirect-in-category' ],
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$link
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);
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2015-06-04 07:31:04 +02:00
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}
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return $link;
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}
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2012-05-03 13:01:35 +02:00
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/**
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2013-08-12 09:28:15 +02:00
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* Get the character to be used for sorting subcategories.
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* If there's a link from Category:A to Category:B, the sortkey of the resulting
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* entry in the categorylinks table is Category:A, not A, which it SHOULD be.
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* Workaround: If sortkey == "Category:".$title, than use $title for sorting,
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* else use sortkey...
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*
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2021-12-19 15:08:59 +01:00
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* @param PageIdentity $page
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2013-08-12 09:28:15 +02:00
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* @param string $sortkey The human-readable sortkey (before transforming to icu or whatever).
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2013-01-18 16:46:04 +01:00
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* @return string
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*/
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2021-12-19 15:08:59 +01:00
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public function getSubcategorySortChar( PageIdentity $page, string $sortkey ): string {
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$titleText = MediaWikiServices::getInstance()->getTitleFormatter()
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->getPrefixedText( $page );
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if ( $titleText === $sortkey ) {
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$word = $page->getDBkey();
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2012-05-03 13:01:35 +02:00
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} else {
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$word = $sortkey;
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}
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$firstChar = $this->collation->getFirstLetter( $word );
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2021-07-15 08:18:19 +02:00
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return $this->languageConverter->convert( $firstChar );
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2012-05-03 13:01:35 +02:00
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}
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/**
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* Add a page in the image namespace
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2021-12-19 15:08:59 +01:00
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* @param PageReference $page
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2014-12-27 15:41:37 +01:00
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* @param string $sortkey
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* @param int $pageLength
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* @param bool $isRedirect
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2012-05-03 13:01:35 +02:00
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*/
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2021-12-19 15:08:59 +01:00
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public function addImage(
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PageReference $page, string $sortkey, int $pageLength, bool $isRedirect = false
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): void {
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$title = MediaWikiServices::getInstance()->getTitleFactory()
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->castFromPageReference( $page );
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2012-05-03 13:01:35 +02:00
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if ( $this->showGallery ) {
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$flip = $this->flip['file'];
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if ( $flip ) {
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$this->gallery->insert( $title );
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} else {
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$this->gallery->add( $title );
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}
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} else {
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2021-12-19 15:08:59 +01:00
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$this->imgsNoGallery[] = $this->generateLink( 'image', $page, $isRedirect );
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2012-05-03 13:01:35 +02:00
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|
|
2021-07-15 08:18:19 +02:00
|
|
|
$this->imgsNoGallery_start_char[] =
|
|
|
|
$this->languageConverter->convert( $this->collation->getFirstLetter( $sortkey ) );
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Add a miscellaneous page
|
2021-12-19 15:08:59 +01:00
|
|
|
* @param PageReference $page
|
2014-12-27 15:41:37 +01:00
|
|
|
* @param string $sortkey
|
|
|
|
* @param int $pageLength
|
|
|
|
* @param bool $isRedirect
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
2021-12-19 15:08:59 +01:00
|
|
|
public function addPage(
|
|
|
|
PageReference $page, string $sortkey, int $pageLength, bool $isRedirect = false
|
|
|
|
): void {
|
|
|
|
$this->articles[] = $this->generateLink( 'page', $page, $isRedirect );
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2021-07-15 08:18:19 +02:00
|
|
|
$this->articles_start_char[] =
|
|
|
|
$this->languageConverter->convert( $this->collation->getFirstLetter( $sortkey ) );
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function finaliseCategoryState() {
|
2012-05-03 13:01:35 +02:00
|
|
|
if ( $this->flip['subcat'] ) {
|
2013-08-12 09:28:15 +02:00
|
|
|
$this->children = array_reverse( $this->children );
|
2012-05-03 13:01:35 +02:00
|
|
|
$this->children_start_char = array_reverse( $this->children_start_char );
|
|
|
|
}
|
|
|
|
if ( $this->flip['page'] ) {
|
2013-08-12 09:28:15 +02:00
|
|
|
$this->articles = array_reverse( $this->articles );
|
2012-05-03 13:01:35 +02:00
|
|
|
$this->articles_start_char = array_reverse( $this->articles_start_char );
|
|
|
|
}
|
|
|
|
if ( !$this->showGallery && $this->flip['file'] ) {
|
2013-08-12 09:28:15 +02:00
|
|
|
$this->imgsNoGallery = array_reverse( $this->imgsNoGallery );
|
2012-05-03 13:01:35 +02:00
|
|
|
$this->imgsNoGallery_start_char = array_reverse( $this->imgsNoGallery_start_char );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function doCategoryQuery() {
|
2017-01-15 11:27:25 +01:00
|
|
|
$dbr = wfGetDB( DB_REPLICA, 'category' );
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2016-09-25 09:13:49 +02:00
|
|
|
$this->nextPage = [
|
2012-05-03 13:01:35 +02:00
|
|
|
'page' => null,
|
|
|
|
'subcat' => null,
|
|
|
|
'file' => null,
|
2016-09-25 09:13:49 +02:00
|
|
|
];
|
|
|
|
$this->prevPage = [
|
2014-12-27 15:41:37 +01:00
|
|
|
'page' => null,
|
|
|
|
'subcat' => null,
|
|
|
|
'file' => null,
|
2016-09-25 09:13:49 +02:00
|
|
|
];
|
2014-12-27 15:41:37 +01:00
|
|
|
|
2016-09-25 09:13:49 +02:00
|
|
|
$this->flip = [ 'page' => false, 'subcat' => false, 'file' => false ];
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2016-09-25 09:13:49 +02:00
|
|
|
foreach ( [ 'page', 'subcat', 'file' ] as $type ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
# Get the sortkeys for start/end, if applicable. Note that if
|
|
|
|
# the collation in the database differs from the one
|
|
|
|
# set in $wgCategoryCollation, pagination might go totally haywire.
|
2016-09-25 09:13:49 +02:00
|
|
|
$extraConds = [ 'cl_type' => $type ];
|
2020-10-26 13:23:55 +01:00
|
|
|
if ( isset( $this->from[$type] ) ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$extraConds[] = 'cl_sortkey >= '
|
|
|
|
. $dbr->addQuotes( $this->collation->getSortKey( $this->from[$type] ) );
|
2020-10-26 13:23:55 +01:00
|
|
|
} elseif ( isset( $this->until[$type] ) ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$extraConds[] = 'cl_sortkey < '
|
|
|
|
. $dbr->addQuotes( $this->collation->getSortKey( $this->until[$type] ) );
|
|
|
|
$this->flip[$type] = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
$res = $dbr->select(
|
2016-09-25 09:13:49 +02:00
|
|
|
[ 'page', 'categorylinks', 'category' ],
|
2017-01-15 11:27:25 +01:00
|
|
|
array_merge(
|
|
|
|
LinkCache::getSelectFields(),
|
|
|
|
[
|
|
|
|
'page_namespace',
|
|
|
|
'page_title',
|
|
|
|
'cl_sortkey',
|
|
|
|
'cat_id',
|
|
|
|
'cat_title',
|
|
|
|
'cat_subcats',
|
|
|
|
'cat_pages',
|
|
|
|
'cat_files',
|
|
|
|
'cl_sortkey_prefix',
|
|
|
|
'cl_collation'
|
|
|
|
]
|
|
|
|
),
|
2021-12-19 15:08:59 +01:00
|
|
|
array_merge( [ 'cl_to' => $this->page->getDBkey() ], $extraConds ),
|
2012-05-03 13:01:35 +02:00
|
|
|
__METHOD__,
|
2016-09-25 09:13:49 +02:00
|
|
|
[
|
|
|
|
'USE INDEX' => [ 'categorylinks' => 'cl_sortkey' ],
|
2012-05-03 13:01:35 +02:00
|
|
|
'LIMIT' => $this->limit + 1,
|
|
|
|
'ORDER BY' => $this->flip[$type] ? 'cl_sortkey DESC' : 'cl_sortkey',
|
2016-09-25 09:13:49 +02:00
|
|
|
],
|
|
|
|
[
|
2019-08-31 08:35:41 +02:00
|
|
|
'categorylinks' => [ 'JOIN', 'cl_from = page_id' ],
|
2016-09-25 09:13:49 +02:00
|
|
|
'category' => [ 'LEFT JOIN', [
|
2013-08-12 09:28:15 +02:00
|
|
|
'cat_title = page_title',
|
|
|
|
'page_namespace' => NS_CATEGORY
|
2016-09-25 09:13:49 +02:00
|
|
|
] ]
|
|
|
|
]
|
2012-05-03 13:01:35 +02:00
|
|
|
);
|
|
|
|
|
2020-10-26 13:23:55 +01:00
|
|
|
$this->getHookRunner()->onCategoryViewer__doCategoryQuery( $type, $res );
|
2017-01-15 11:27:25 +01:00
|
|
|
$linkCache = MediaWikiServices::getInstance()->getLinkCache();
|
2015-06-04 07:31:04 +02:00
|
|
|
|
2012-05-03 13:01:35 +02:00
|
|
|
$count = 0;
|
|
|
|
foreach ( $res as $row ) {
|
|
|
|
$title = Title::newFromRow( $row );
|
2017-01-15 11:27:25 +01:00
|
|
|
$linkCache->addGoodLinkObjFromRow( $title, $row );
|
|
|
|
|
2012-05-03 13:01:35 +02:00
|
|
|
if ( $row->cl_collation === '' ) {
|
|
|
|
// Hack to make sure that while updating from 1.16 schema
|
|
|
|
// and db is inconsistent, that the sky doesn't fall.
|
|
|
|
// See r83544. Could perhaps be removed in a couple decades...
|
|
|
|
$humanSortkey = $row->cl_sortkey;
|
|
|
|
} else {
|
|
|
|
$humanSortkey = $title->getCategorySortkey( $row->cl_sortkey_prefix );
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( ++$count > $this->limit ) {
|
|
|
|
# We've reached the one extra which shows that there
|
|
|
|
# are additional pages to be had. Stop here...
|
|
|
|
$this->nextPage[$type] = $humanSortkey;
|
|
|
|
break;
|
|
|
|
}
|
2014-12-27 15:41:37 +01:00
|
|
|
if ( $count == $this->limit ) {
|
|
|
|
$this->prevPage[$type] = $humanSortkey;
|
|
|
|
}
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2021-07-15 08:18:19 +02:00
|
|
|
if ( $title->getNamespace() === NS_CATEGORY ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$cat = Category::newFromRow( $row, $title );
|
|
|
|
$this->addSubcategoryObject( $cat, $humanSortkey, $row->page_len );
|
2021-07-15 08:18:19 +02:00
|
|
|
} elseif ( $title->getNamespace() === NS_FILE ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$this->addImage( $title, $humanSortkey, $row->page_len, $row->page_is_redirect );
|
|
|
|
} else {
|
|
|
|
$this->addPage( $title, $humanSortkey, $row->page_len, $row->page_is_redirect );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function getCategoryTop() {
|
2012-05-03 13:01:35 +02:00
|
|
|
$r = $this->getCategoryBottom();
|
|
|
|
return $r === ''
|
|
|
|
? $r
|
|
|
|
: "<br style=\"clear:both;\"/>\n" . $r;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function getSubcategorySection() {
|
2012-05-03 13:01:35 +02:00
|
|
|
# Don't show subcategories section if there are none.
|
|
|
|
$r = '';
|
|
|
|
$rescnt = count( $this->children );
|
|
|
|
$dbcnt = $this->cat->getSubcatCount();
|
2016-09-25 09:13:49 +02:00
|
|
|
// This function should be called even if the result isn't used, it has side-effects
|
2012-05-03 13:01:35 +02:00
|
|
|
$countmsg = $this->getCountMessage( $rescnt, $dbcnt, 'subcat' );
|
|
|
|
|
|
|
|
if ( $rescnt > 0 ) {
|
|
|
|
# Showing subcategories
|
2021-12-19 15:08:59 +01:00
|
|
|
$r .= Html::openElement( 'div', [ 'id' => 'mw-subcategories' ] ) . "\n";
|
|
|
|
$r .= Html::rawElement( 'h2', [], $this->msg( 'subcategories' )->parse() ) . "\n";
|
2012-05-03 13:01:35 +02:00
|
|
|
$r .= $countmsg;
|
|
|
|
$r .= $this->getSectionPagingLinks( 'subcat' );
|
|
|
|
$r .= $this->formatList( $this->children, $this->children_start_char );
|
|
|
|
$r .= $this->getSectionPagingLinks( 'subcat' );
|
2021-12-19 15:08:59 +01:00
|
|
|
$r .= "\n" . Html::closeElement( 'div' );
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
return $r;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function getPagesSection() {
|
2019-02-10 10:16:47 +01:00
|
|
|
$name = $this->getOutput()->getUnprefixedDisplayTitle();
|
2012-05-03 13:01:35 +02:00
|
|
|
# Don't show articles section if there are none.
|
|
|
|
$r = '';
|
|
|
|
|
|
|
|
# @todo FIXME: Here and in the other two sections: we don't need to bother
|
2013-08-12 09:28:15 +02:00
|
|
|
# with this rigmarole if the entire category contents fit on one page
|
2012-05-03 13:01:35 +02:00
|
|
|
# and have already been retrieved. We can just use $rescnt in that
|
|
|
|
# case and save a query and some logic.
|
|
|
|
$dbcnt = $this->cat->getPageCount() - $this->cat->getSubcatCount()
|
|
|
|
- $this->cat->getFileCount();
|
|
|
|
$rescnt = count( $this->articles );
|
2016-09-25 09:13:49 +02:00
|
|
|
// This function should be called even if the result isn't used, it has side-effects
|
2012-05-03 13:01:35 +02:00
|
|
|
$countmsg = $this->getCountMessage( $rescnt, $dbcnt, 'article' );
|
|
|
|
|
|
|
|
if ( $rescnt > 0 ) {
|
2021-12-19 15:08:59 +01:00
|
|
|
$r .= Html::openElement( 'div', [ 'id' => 'mw-pages' ] ) . "\n";
|
|
|
|
$r .= Html::rawElement(
|
|
|
|
'h2',
|
|
|
|
[],
|
|
|
|
$this->msg( 'category_header' )->rawParams( $name )->parse()
|
|
|
|
) . "\n";
|
2012-05-03 13:01:35 +02:00
|
|
|
$r .= $countmsg;
|
|
|
|
$r .= $this->getSectionPagingLinks( 'page' );
|
|
|
|
$r .= $this->formatList( $this->articles, $this->articles_start_char );
|
|
|
|
$r .= $this->getSectionPagingLinks( 'page' );
|
2021-12-19 15:08:59 +01:00
|
|
|
$r .= "\n" . Html::closeElement( 'div' );
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
return $r;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function getImageSection() {
|
2019-02-10 10:16:47 +01:00
|
|
|
$name = $this->getOutput()->getUnprefixedDisplayTitle();
|
2012-05-03 13:01:35 +02:00
|
|
|
$r = '';
|
|
|
|
$rescnt = $this->showGallery ? $this->gallery->count() : count( $this->imgsNoGallery );
|
2016-09-25 09:13:49 +02:00
|
|
|
$dbcnt = $this->cat->getFileCount();
|
|
|
|
// This function should be called even if the result isn't used, it has side-effects
|
|
|
|
$countmsg = $this->getCountMessage( $rescnt, $dbcnt, 'file' );
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2016-09-25 09:13:49 +02:00
|
|
|
if ( $rescnt > 0 ) {
|
2021-12-19 15:08:59 +01:00
|
|
|
$r .= Html::openElement( 'div', [ 'id' => 'mw-category-media' ] ) . "\n";
|
|
|
|
$r .= Html::rawElement(
|
|
|
|
'h2',
|
|
|
|
[],
|
|
|
|
$this->msg( 'category-media-header' )->rawParams( $name )->parse()
|
|
|
|
) . "\n";
|
2012-05-03 13:01:35 +02:00
|
|
|
$r .= $countmsg;
|
|
|
|
$r .= $this->getSectionPagingLinks( 'file' );
|
|
|
|
if ( $this->showGallery ) {
|
|
|
|
$r .= $this->gallery->toHTML();
|
|
|
|
} else {
|
|
|
|
$r .= $this->formatList( $this->imgsNoGallery, $this->imgsNoGallery_start_char );
|
|
|
|
}
|
|
|
|
$r .= $this->getSectionPagingLinks( 'file' );
|
2021-12-19 15:08:59 +01:00
|
|
|
$r .= "\n" . Html::closeElement( 'div' );
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
return $r;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Get the paging links for a section (subcats/pages/files), to go at the top and bottom
|
|
|
|
* of the output.
|
|
|
|
*
|
2013-08-12 09:28:15 +02:00
|
|
|
* @param string $type 'page', 'subcat', or 'file'
|
2014-12-27 15:41:37 +01:00
|
|
|
* @return string HTML output, possibly empty if there are no other pages
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
|
|
|
private function getSectionPagingLinks( $type ) {
|
2020-10-26 13:23:55 +01:00
|
|
|
if ( isset( $this->until[$type] ) ) {
|
2014-12-27 15:41:37 +01:00
|
|
|
// The new value for the until parameter should be pointing to the first
|
|
|
|
// result displayed on the page which is the second last result retrieved
|
|
|
|
// from the database.The next link should have a from parameter pointing
|
|
|
|
// to the until parameter of the current page.
|
|
|
|
if ( $this->nextPage[$type] !== null ) {
|
|
|
|
return $this->pagingLinks( $this->prevPage[$type], $this->until[$type], $type );
|
|
|
|
} else {
|
|
|
|
// If the nextPage variable is null, it means that we have reached the first page
|
|
|
|
// and therefore the previous link should be disabled.
|
|
|
|
return $this->pagingLinks( null, $this->until[$type], $type );
|
|
|
|
}
|
2020-10-26 13:23:55 +01:00
|
|
|
} elseif ( $this->nextPage[$type] !== null || isset( $this->from[$type] ) ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
return $this->pagingLinks( $this->from[$type], $this->nextPage[$type], $type );
|
|
|
|
} else {
|
|
|
|
return '';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @return string
|
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
protected function getCategoryBottom() {
|
2012-05-03 13:01:35 +02:00
|
|
|
return '';
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Format a list of articles chunked by letter, either as a
|
|
|
|
* bullet list or a columnar format, depending on the length.
|
|
|
|
*
|
2014-12-27 15:41:37 +01:00
|
|
|
* @param array $articles
|
|
|
|
* @param array $articles_start_char
|
|
|
|
* @param int $cutoff
|
|
|
|
* @return string
|
2020-10-26 13:23:55 +01:00
|
|
|
* @internal
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
private function formatList( $articles, $articles_start_char, $cutoff = 6 ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$list = '';
|
2013-08-12 09:28:15 +02:00
|
|
|
if ( count( $articles ) > $cutoff ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$list = self::columnList( $articles, $articles_start_char );
|
|
|
|
} elseif ( count( $articles ) > 0 ) {
|
|
|
|
// for short lists of articles in categories.
|
|
|
|
$list = self::shortList( $articles, $articles_start_char );
|
|
|
|
}
|
|
|
|
|
2021-12-19 15:08:59 +01:00
|
|
|
$pageLang = MediaWikiServices::getInstance()->getTitleFactory()
|
|
|
|
->castFromPageIdentity( $this->page )
|
|
|
|
->getPageLanguage();
|
2016-09-25 09:13:49 +02:00
|
|
|
$attribs = [ 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
|
|
|
|
'class' => 'mw-content-' . $pageLang->getDir() ];
|
2012-05-03 13:01:35 +02:00
|
|
|
$list = Html::rawElement( 'div', $attribs, $list );
|
|
|
|
|
|
|
|
return $list;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2017-01-15 11:27:25 +01:00
|
|
|
* Format a list of articles chunked by letter in a three-column list, ordered
|
|
|
|
* vertically. This is used for categories with a significant number of pages.
|
2012-05-03 13:01:35 +02:00
|
|
|
*
|
|
|
|
* TODO: Take the headers into account when creating columns, so they're
|
|
|
|
* more visually equal.
|
|
|
|
*
|
2015-06-04 07:31:04 +02:00
|
|
|
* TODO: shortList and columnList are similar, need merging
|
2012-05-03 13:01:35 +02:00
|
|
|
*
|
2017-01-15 11:27:25 +01:00
|
|
|
* @param string[] $articles HTML links to each article
|
|
|
|
* @param string[] $articles_start_char The header characters for each article
|
|
|
|
* @return string HTML to output
|
2020-10-26 13:23:55 +01:00
|
|
|
* @internal
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
public static function columnList( $articles, $articles_start_char ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$columns = array_combine( $articles, $articles_start_char );
|
|
|
|
|
2016-09-25 09:13:49 +02:00
|
|
|
$ret = Html::openElement( 'div', [ 'class' => 'mw-category' ] );
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2016-09-25 09:13:49 +02:00
|
|
|
$colContents = [];
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2015-06-04 07:31:04 +02:00
|
|
|
# Kind of like array_flip() here, but we keep duplicates in an
|
|
|
|
# array instead of dropping them.
|
|
|
|
foreach ( $columns as $article => $char ) {
|
|
|
|
if ( !isset( $colContents[$char] ) ) {
|
2016-09-25 09:13:49 +02:00
|
|
|
$colContents[$char] = [];
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
2015-06-04 07:31:04 +02:00
|
|
|
$colContents[$char][] = $article;
|
|
|
|
}
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2015-06-04 07:31:04 +02:00
|
|
|
foreach ( $colContents as $char => $articles ) {
|
|
|
|
# Change space to non-breaking space to keep headers aligned
|
2019-02-10 10:16:47 +01:00
|
|
|
$h3char = $char === ' ' ? "\u{00A0}" : htmlspecialchars( $char );
|
2013-12-08 09:55:49 +01:00
|
|
|
|
2021-12-19 15:08:59 +01:00
|
|
|
$ret .= Html::openELement( 'div', [ 'class' => 'mw-category-group' ] );
|
|
|
|
$ret .= Html::rawElement( 'h3', [], $h3char ) . "\n";
|
|
|
|
$ret .= Html::openElement( 'ul' );
|
|
|
|
$ret .= implode(
|
|
|
|
"\n",
|
|
|
|
array_map(
|
|
|
|
static function ( $article ) {
|
|
|
|
return Html::rawElement( 'li', [], $article );
|
|
|
|
},
|
|
|
|
$articles
|
|
|
|
)
|
|
|
|
);
|
|
|
|
$ret .= Html::closeElement( 'ul' ) . Html::closeElement( 'div' );
|
2012-05-03 13:01:35 +02:00
|
|
|
|
|
|
|
}
|
|
|
|
|
2015-06-04 07:31:04 +02:00
|
|
|
$ret .= Html::closeElement( 'div' );
|
2012-05-03 13:01:35 +02:00
|
|
|
return $ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2017-01-15 11:27:25 +01:00
|
|
|
* Format a list of articles chunked by letter in a bullet list. This is used
|
|
|
|
* for categories with a small number of pages (when columns aren't needed).
|
|
|
|
* @param string[] $articles HTML links to each article
|
|
|
|
* @param string[] $articles_start_char The header characters for each article
|
|
|
|
* @return string HTML to output
|
2020-10-26 13:23:55 +01:00
|
|
|
* @internal
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
2020-10-26 13:23:55 +01:00
|
|
|
public static function shortList( $articles, $articles_start_char ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$r = '<h3>' . htmlspecialchars( $articles_start_char[0] ) . "</h3>\n";
|
|
|
|
$r .= '<ul><li>' . $articles[0] . '</li>';
|
2014-12-27 15:41:37 +01:00
|
|
|
$articleCount = count( $articles );
|
|
|
|
for ( $index = 1; $index < $articleCount; $index++ ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
if ( $articles_start_char[$index] != $articles_start_char[$index - 1] ) {
|
|
|
|
$r .= "</ul><h3>" . htmlspecialchars( $articles_start_char[$index] ) . "</h3>\n<ul>";
|
|
|
|
}
|
|
|
|
|
|
|
|
$r .= "<li>{$articles[$index]}</li>";
|
|
|
|
}
|
|
|
|
$r .= '</ul>';
|
|
|
|
return $r;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Create paging links, as a helper method to getSectionPagingLinks().
|
|
|
|
*
|
2013-08-12 09:28:15 +02:00
|
|
|
* @param string $first The 'until' parameter for the generated URL
|
|
|
|
* @param string $last The 'from' parameter for the generated URL
|
|
|
|
* @param string $type A prefix for parameters, 'page' or 'subcat' or
|
2012-05-03 13:01:35 +02:00
|
|
|
* 'file'
|
2014-12-27 15:41:37 +01:00
|
|
|
* @return string HTML
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
|
|
|
private function pagingLinks( $first, $last, $type = '' ) {
|
2018-08-12 07:51:01 +02:00
|
|
|
$prevLink = $this->msg( 'prev-page' )->escaped();
|
2012-05-03 13:01:35 +02:00
|
|
|
|
2017-08-06 09:22:00 +02:00
|
|
|
$linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
|
2012-05-03 13:01:35 +02:00
|
|
|
if ( $first != '' ) {
|
|
|
|
$prevQuery = $this->query;
|
|
|
|
$prevQuery["{$type}until"] = $first;
|
|
|
|
unset( $prevQuery["{$type}from"] );
|
2017-08-06 09:22:00 +02:00
|
|
|
$prevLink = $linkRenderer->makeKnownLink(
|
2021-12-19 15:08:59 +01:00
|
|
|
$this->addFragmentToTitle( $this->page, $type ),
|
2018-08-12 07:51:01 +02:00
|
|
|
new HtmlArmor( $prevLink ),
|
2016-09-25 09:13:49 +02:00
|
|
|
[],
|
2012-05-03 13:01:35 +02:00
|
|
|
$prevQuery
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2018-08-12 07:51:01 +02:00
|
|
|
$nextLink = $this->msg( 'next-page' )->escaped();
|
2012-05-03 13:01:35 +02:00
|
|
|
|
|
|
|
if ( $last != '' ) {
|
|
|
|
$lastQuery = $this->query;
|
|
|
|
$lastQuery["{$type}from"] = $last;
|
|
|
|
unset( $lastQuery["{$type}until"] );
|
2017-08-06 09:22:00 +02:00
|
|
|
$nextLink = $linkRenderer->makeKnownLink(
|
2021-12-19 15:08:59 +01:00
|
|
|
$this->addFragmentToTitle( $this->page, $type ),
|
2018-08-12 07:51:01 +02:00
|
|
|
new HtmlArmor( $nextLink ),
|
2016-09-25 09:13:49 +02:00
|
|
|
[],
|
2012-05-03 13:01:35 +02:00
|
|
|
$lastQuery
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2013-08-12 09:28:15 +02:00
|
|
|
return $this->msg( 'categoryviewer-pagedlinks' )->rawParams( $prevLink, $nextLink )->escaped();
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Takes a title, and adds the fragment identifier that
|
|
|
|
* corresponds to the correct segment of the category.
|
|
|
|
*
|
2021-12-19 15:08:59 +01:00
|
|
|
* @param PageReference $page The title (usually $this->title)
|
2014-12-27 15:41:37 +01:00
|
|
|
* @param string $section Which section
|
2013-08-12 09:28:15 +02:00
|
|
|
* @throws MWException
|
2021-12-19 15:08:59 +01:00
|
|
|
* @return LinkTarget
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
2021-12-19 15:08:59 +01:00
|
|
|
private function addFragmentToTitle( PageReference $page, string $section ): LinkTarget {
|
2012-05-03 13:01:35 +02:00
|
|
|
switch ( $section ) {
|
|
|
|
case 'page':
|
|
|
|
$fragment = 'mw-pages';
|
|
|
|
break;
|
|
|
|
case 'subcat':
|
|
|
|
$fragment = 'mw-subcategories';
|
|
|
|
break;
|
|
|
|
case 'file':
|
|
|
|
$fragment = 'mw-category-media';
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
throw new MWException( __METHOD__ .
|
|
|
|
" Invalid section $section." );
|
|
|
|
}
|
|
|
|
|
2021-12-19 15:08:59 +01:00
|
|
|
return new TitleValue( $page->getNamespace(),
|
|
|
|
$page->getDBkey(), $fragment );
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
2013-08-12 09:28:15 +02:00
|
|
|
|
2012-05-03 13:01:35 +02:00
|
|
|
/**
|
|
|
|
* What to do if the category table conflicts with the number of results
|
|
|
|
* returned? This function says what. Each type is considered independently
|
|
|
|
* of the other types.
|
|
|
|
*
|
2013-08-12 09:28:15 +02:00
|
|
|
* @param int $rescnt The number of items returned by our database query.
|
|
|
|
* @param int $dbcnt The number of items according to the category table.
|
|
|
|
* @param string $type 'subcat', 'article', or 'file'
|
2014-12-27 15:41:37 +01:00
|
|
|
* @return string A message giving the number of items, to output to HTML.
|
2012-05-03 13:01:35 +02:00
|
|
|
*/
|
|
|
|
private function getCountMessage( $rescnt, $dbcnt, $type ) {
|
2013-12-08 09:55:49 +01:00
|
|
|
// There are three cases:
|
|
|
|
// 1) The category table figure seems sane. It might be wrong, but
|
|
|
|
// we can't do anything about it if we don't recalculate it on ev-
|
|
|
|
// ery category view.
|
|
|
|
// 2) The category table figure isn't sane, like it's smaller than the
|
|
|
|
// number of actual results, *but* the number of results is less
|
|
|
|
// than $this->limit and there's no offset. In this case we still
|
|
|
|
// know the right figure.
|
|
|
|
// 3) We have no idea.
|
|
|
|
|
|
|
|
// Check if there's a "from" or "until" for anything
|
2012-05-03 13:01:35 +02:00
|
|
|
|
|
|
|
// This is a little ugly, but we seem to use different names
|
|
|
|
// for the paging types then for the messages.
|
|
|
|
if ( $type === 'article' ) {
|
|
|
|
$pagingType = 'page';
|
|
|
|
} else {
|
|
|
|
$pagingType = $type;
|
|
|
|
}
|
|
|
|
|
|
|
|
$fromOrUntil = false;
|
2020-10-26 13:23:55 +01:00
|
|
|
if ( isset( $this->from[$pagingType] ) || isset( $this->until[$pagingType] ) ) {
|
2012-05-03 13:01:35 +02:00
|
|
|
$fromOrUntil = true;
|
|
|
|
}
|
|
|
|
|
2013-08-12 09:28:15 +02:00
|
|
|
if ( $dbcnt == $rescnt ||
|
|
|
|
( ( $rescnt == $this->limit || $fromOrUntil ) && $dbcnt > $rescnt )
|
|
|
|
) {
|
2013-12-08 09:55:49 +01:00
|
|
|
// Case 1: seems sane.
|
2012-05-03 13:01:35 +02:00
|
|
|
$totalcnt = $dbcnt;
|
|
|
|
} elseif ( $rescnt < $this->limit && !$fromOrUntil ) {
|
2013-12-08 09:55:49 +01:00
|
|
|
// Case 2: not sane, but salvageable. Use the number of results.
|
2012-05-03 13:01:35 +02:00
|
|
|
$totalcnt = $rescnt;
|
|
|
|
} else {
|
2013-12-08 09:55:49 +01:00
|
|
|
// Case 3: hopeless. Don't give a total count at all.
|
|
|
|
// Messages: category-subcat-count-limited, category-article-count-limited,
|
|
|
|
// category-file-count-limited
|
2013-01-18 16:46:04 +01:00
|
|
|
return $this->msg( "category-$type-count-limited" )->numParams( $rescnt )->parseAsBlock();
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
2013-12-08 09:55:49 +01:00
|
|
|
// Messages: category-subcat-count, category-article-count, category-file-count
|
2013-01-18 16:46:04 +01:00
|
|
|
return $this->msg( "category-$type-count" )->numParams( $rescnt, $totalcnt )->parseAsBlock();
|
2012-05-03 13:01:35 +02:00
|
|
|
}
|
|
|
|
}
|