includes/specials/SpecialTrackingCategories.php

   1 <?php
   2 /**
   3  * Implements Special:TrackingCategories
   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 displays list of tracking categories
  26  * Tracking categories allow pages with certain characteristics to be tracked.
  27  * It works by adding any such page to a category automatically.
  28  * Category is specified by the tracking category's system message.
  29  *
  30  * @ingroup SpecialPage
  31  * @since 1.23
  32  */
  33
  34 class SpecialTrackingCategories extends SpecialPage {
  35         function __construct() {
  36                 parent::__construct( 'TrackingCategories' );
  37         }
  38
  39         function execute( $par ) {
  40                 // Global array containing names of tracking categories
  41                 global $wgTrackingCategories;
  42
  43                 $this->setHeaders();
  44                 $this->outputHeader();
  45                 $this->getOutput()->allowClickjacking();
  46                 $this->getOutput()->addHTML(
  47                         Html::openElement( 'table', array( 'class' => 'mw-datatable TablePager',
  48                                 'id' => 'mw-trackingcategories-table' ) ) . "\n" .
  49                         "<thead><tr>
  50                         <th>" .
  51                                 $this->msg( 'trackingcategories-msg' )->escaped() . "
  52                         </th>
  53                         <th>" .
  54                                 $this->msg( 'trackingcategories-name' )->escaped() .
  55                         "</th>
  56                         <th>" .
  57                                 $this->msg( 'trackingcategories-desc' )->escaped() . "
  58                         </th>
  59                         </tr></thead>"
  60                 );
  61
  62                 foreach( $wgTrackingCategories as $catMsg ) {
  63                         /*
  64                          * Check if the tracking category varies by namespace
  65                          * Otherwise only pages in the current namespace will be displayed
  66                          * If it does vary, show pages considering all namespaces
  67                          */
  68                         $msgObj = $this->msg( $catMsg )->inContentLanguage();
  69                         $allMsgs = array();
  70                         $catDesc = $catMsg . '-desc';
  71                         $catMsgTitle = Title::makeTitleSafe( NS_MEDIAWIKI, $catMsg );
  72                         if ( !$catMsgTitle ) {
  73                                 continue;
  74                         }
  75                         $catMsgTitleText = Linker::link(
  76                                 $catMsgTitle,
  77                                 htmlspecialchars( $catMsg )
  78                         );
  79
  80                         // Match things like {{NAMESPACE}} and {{NAMESPACENUMBER}}.
  81                         // False positives are ok, this is just an efficiency shortcut
  82                         if ( strpos( $msgObj->plain(), '{{' ) !== false ) {
  83                                 $ns = MWNamespace::getValidNamespaces();
  84                                 foreach ( $ns as $namesp ) {
  85                                         $tempTitle = Title::makeTitleSafe( $namesp, $catMsg );
  86                                         if ( !$tempTitle ) {
  87                                                 continue;
  88                                         }
  89                                         $catName = $msgObj->title( $tempTitle )->text();
  90                                         # Allow tracking categories to be disabled by setting them to "-"
  91                                         if ( $catName !== '-' ) {
  92                                                 $catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
  93                                                 if ( $catTitle ) {
  94                                                         $catTitleText = Linker::link(
  95                                                                 $catTitle,
  96                                                                 htmlspecialchars( $catName )
  97                                                         );
  98                                                         $allMsgs[] = $catTitleText;
  99                                                 }
 100                                         }
 101                                 }
 102                         } else {
 103                                 $catName = $msgObj->text();
 104                                 # Allow tracking categories to be disabled by setting them to "-"
 105                                 if ( $catName !== '-' ) {
 106                                         $catTitle = Title::makeTitleSafe( NS_CATEGORY, $catName );
 107                                         if ( $catTitle ) {
 108                                                 $catTitleText = Linker::link(
 109                                                         $catTitle,
 110                                                         htmlspecialchars( $catName )
 111                                                 );
 112                                                 $allMsgs[] = $catTitleText;
 113                                         }
 114                                 }
 115                         }
 116
 117                         # Extra message, when no category was found
 118                         if ( !count( $allMsgs ) ) {
 119                                 $allMsgs[] = $this->msg( 'trackingcategories-disabled' )->parse();
 120                         }
 121
 122                         /*
 123                          * Show category description if it exists as a system message
 124                          * as category-name-desc
 125                          */
 126                         $descMsg = $this->msg( $catDesc );
 127                         if ( $descMsg->isBlank() ) {
 128                                 $descMsg = $this->msg( 'trackingcategories-nodesc' );
 129                         }
 130
 131                         $this->getOutput()->addHTML(
 132                                 Html::openElement( 'tr' ) .
 133                                 Html::openElement( 'td', array( 'class' => 'mw-trackingcategories-name' ) ) .
 134                                         $this->getLanguage()->commaList( array_unique( $allMsgs ) ) .
 135                                 Html::closeElement( 'td' ) .
 136                                 Html::openElement( 'td', array( 'class' => 'mw-trackingcategories-msg' ) ) .
 137                                         $catMsgTitleText .
 138                                 Html::closeElement( 'td' ) .
 139                                 Html::openElement( 'td', array( 'class' => 'mw-trackingcategories-desc' ) ) .
 140                                         $descMsg->parse() .
 141                                 Html::closeElement( 'td' ) .
 142                                 Html::closeElement( 'tr' )
 143                         );
 144                 }
 145                 $this->getOutput()->addHTML( Html::closeElement( 'table' ) );
 146         }
 147
 148         protected function getGroupName() {
 149                 return 'pages';
 150         }
 151 }