includes/specials/SpecialCategories.php

   1 <?php
   2 /**
   3  * Implements Special:Categories
   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  * @ingroup SpecialPage
  26  */
  27 class SpecialCategories extends SpecialPage {
  28
  29         public function __construct() {
  30                 parent::__construct( 'Categories' );
  31
  32                 // Since we don't control the constructor parameters, we can't inject services that way.
  33                 // Instead, we initialize services in the execute() method, and allow them to be overridden
  34                 // using the initServices() method.
  35         }
  36
  37         public function execute( $par ) {
  38                 $this->setHeaders();
  39                 $this->outputHeader();
  40                 $this->addHelpLink( 'Help:Categories' );
  41                 $this->getOutput()->allowClickjacking();
  42
  43                 $from = $this->getRequest()->getText( 'from', $par );
  44
  45                 $cap = new CategoryPager(
  46                         $this->getContext(),
  47                         $from,
  48                         $this->getLinkRenderer()
  49                 );
  50                 $cap->doQuery();
  51
  52                 $this->getOutput()->addHTML(
  53                         Html::openElement( 'div', [ 'class' => 'mw-spcontent' ] ) .
  54                                 $this->msg( 'categoriespagetext', $cap->getNumRows() )->parseAsBlock() .
  55                                 $cap->getStartForm( $from ) .
  56                                 $cap->getNavigationBar() .
  57                                 '<ul>' . $cap->getBody() . '</ul>' .
  58                                 $cap->getNavigationBar() .
  59                                 Html::closeElement( 'div' )
  60                 );
  61         }
  62
  63         protected function getGroupName() {
  64                 return 'pages';
  65         }
  66 }