includes/specials/SpecialUncategorizedcategories.php

   1 <?php
   2 /**
   3  * Implements Special:Uncategorizedcategories
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * A special page that lists uncategorized categories
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class UncategorizedCategoriesPage extends UncategorizedPagesPage {
  30         /**
  31          * Holds a list of categories, which shouldn't be listed on this special page,
  32          * even if it is uncategorized.
  33          * @var array
  34          */
  35         private $exceptionList = null;
  36
  37         function __construct( $name = 'Uncategorizedcategories' ) {
  38                 parent::__construct( $name );
  39                 $this->requestedNamespace = NS_CATEGORY;
  40         }
  41
  42         /**
  43          * Returns an array of category titles (usually without the namespace), which
  44          * shouldn't be listed on this page, even if they're uncategorized.
  45          *
  46          * @return array
  47          */
  48         private function getExceptionList() {
  49                 if ( $this->exceptionList === null ) {
  50                         $exList = $this->msg( 'uncategorized-categories-exceptionlist' )
  51                                 ->inContentLanguage()->plain();
  52                         $proposedTitles = explode( "\n", $exList );
  53                         foreach ( $proposedTitles as $count => $titleStr ) {
  54                                 if ( strpos( $titleStr, '*' ) !== 0 ) {
  55                                         continue;
  56                                 }
  57                                 $titleStr = preg_replace( "/^\\*\\s*/", '', $titleStr );
  58                                 $title = Title::newFromText( $titleStr, NS_CATEGORY );
  59                                 if ( $title && $title->getNamespace() !== NS_CATEGORY ) {
  60                                         $title = Title::makeTitleSafe( NS_CATEGORY, $titleStr );
  61                                 }
  62                                 if ( $title ) {
  63                                         $this->exceptionList[] = $title->getDBKey();
  64                                 }
  65                         }
  66                 }
  67                 return $this->exceptionList;
  68         }
  69
  70         public function getQueryInfo() {
  71                 $dbr = wfGetDB( DB_REPLICA );
  72                 $query = parent::getQueryInfo();
  73                 $exceptionList = $this->getExceptionList();
  74                 if ( $exceptionList ) {
  75                         $query['conds'][] = 'page_title not in ( ' . $dbr->makeList( $exceptionList ) . ' )';
  76                 }
  77
  78                 return $query;
  79         }
  80
  81         /**
  82          * Formats the result
  83          * @param Skin $skin The current skin
  84          * @param object $result The query result
  85          * @return string The category link
  86          */
  87         function formatResult( $skin, $result ) {
  88                 $title = Title::makeTitle( NS_CATEGORY, $result->title );
  89                 $text = $title->getText();
  90
  91                 return $this->getLinkRenderer()->makeKnownLink( $title, $text );
  92         }
  93 }