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<?php |
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/** |
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* Implements Special:Unusedcategories |
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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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* @ingroup SpecialPage |
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*/ |
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/** |
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* @ingroup SpecialPage |
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*/ |
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class UnusedCategoriesPage extends QueryPage { |
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function __construct( $name = 'Unusedcategories' ) { |
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parent::__construct( $name ); |
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} |
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public function isExpensive() { |
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return true; |
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} |
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function getPageHeader() { |
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return $this->msg( 'unusedcategoriestext' )->parseAsBlock(); |
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} |
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public function getQueryInfo() { |
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return [ |
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'tables' => [ 'page', 'categorylinks' ], |
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'fields' => [ |
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'namespace' => 'page_namespace', |
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'title' => 'page_title', |
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'value' => 'page_title' |
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], |
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'conds' => [ |
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'cl_from IS NULL', |
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'page_namespace' => NS_CATEGORY, |
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'page_is_redirect' => 0 |
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], |
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'join_conds' => [ 'categorylinks' => [ 'LEFT JOIN', 'cl_to = page_title' ] ] |
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]; |
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} |
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/** |
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* A should come before Z (bug 30907) |
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* @return bool |
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*/ |
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function sortDescending() { |
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return false; |
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} |
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/** |
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* @param Skin $skin |
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* @param object $result Result row |
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* @return string |
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*/ |
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function formatResult( $skin, $result ) { |
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$title = Title::makeTitle( NS_CATEGORY, $result->title ); |
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return Linker::link( $title, htmlspecialchars( $title->getText() ) ); |
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} |
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protected function getGroupName() { |
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return 'maintenance'; |
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} |
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public function preprocessResults( $db, $res ) { |
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$this->executeLBFromResultWrapper( $res ); |
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} |
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} |
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wikimedia /
mediawiki
