includes/specials/SpecialTags.php

   1 <?php
   2 /**
   3  * Implements Special:Tags
   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 tags for edits
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialTags extends SpecialPage {
  30
  31         function __construct() {
  32                 parent::__construct( 'Tags' );
  33         }
  34
  35         function execute( $par ) {
  36                 $this->setHeaders();
  37                 $this->outputHeader();
  38
  39                 $out = $this->getOutput();
  40                 $out->setPageTitle( $this->msg( 'tags-title' ) );
  41                 $out->wrapWikiMsg( "<div class='mw-tags-intro'>\n$1\n</div>", 'tags-intro' );
  42
  43                 // Write the headers
  44                 $html = Xml::tags( 'tr', null, Xml::tags( 'th', null, $this->msg( 'tags-tag' )->parse() ) .
  45                                 Xml::tags( 'th', null, $this->msg( 'tags-display-header' )->parse() ) .
  46                                 Xml::tags( 'th', null, $this->msg( 'tags-description-header' )->parse() ) .
  47                                 Xml::tags( 'th', null, $this->msg( 'tags-hitcount-header' )->parse() )
  48                         );
  49                 $dbr = wfGetDB( DB_SLAVE );
  50                 $res = $dbr->select( 'change_tag', array( 'ct_tag', 'hitcount' => 'count(*)' ),
  51                         array(), __METHOD__, array( 'GROUP BY' => 'ct_tag', 'ORDER BY' => 'hitcount DESC' ) );
  52
  53                 foreach ( $res as $row ) {
  54                         $html .= $this->doTagRow( $row->ct_tag, $row->hitcount );
  55                 }
  56
  57                 foreach ( ChangeTags::listDefinedTags() as $tag ) {
  58                         $html .= $this->doTagRow( $tag, 0 );
  59                 }
  60
  61                 $out->addHTML( Xml::tags( 'table', array( 'class' => 'wikitable sortable mw-tags-table' ), $html ) );
  62         }
  63
  64         function doTagRow( $tag, $hitcount ) {
  65                 static $doneTags = array();
  66
  67                 if ( in_array( $tag, $doneTags ) ) {
  68                         return '';
  69                 }
  70
  71                 $user = $this->getUser();
  72                 $newRow = '';
  73                 $newRow .= Xml::tags( 'td', null, Xml::element( 'code', null, $tag ) );
  74
  75                 $disp = ChangeTags::tagDescription( $tag );
  76                 if ( $user->isAllowed( 'editinterface' ) ) {
  77                         $disp .= ' ';
  78                         $editLink = Linker::link( Title::makeTitle( NS_MEDIAWIKI, "Tag-$tag" ), $this->msg( 'tags-edit' )->escaped() );
  79                         $disp .= $this->msg( 'parentheses' )->rawParams( $editLink )->escaped();
  80                 }
  81                 $newRow .= Xml::tags( 'td', null, $disp );
  82
  83                 $msg = $this->msg( "tag-$tag-description" );
  84                 $desc = !$msg->exists() ? '' : $msg->parse();
  85                 if ( $user->isAllowed( 'editinterface' ) ) {
  86                         $desc .= ' ';
  87                         $editDescLink = Linker::link( Title::makeTitle( NS_MEDIAWIKI, "Tag-$tag-description" ), $this->msg( 'tags-edit' )->escaped() );
  88                         $desc .= $this->msg( 'parentheses' )->rawParams( $editDescLink )->escaped();
  89                 }
  90                 $newRow .= Xml::tags( 'td', null, $desc );
  91
  92                 $hitcount = $this->msg( 'tags-hitcount' )->numParams( $hitcount )->escaped();
  93                 $hitcount = Linker::link( SpecialPage::getTitleFor( 'Recentchanges' ), $hitcount, array(), array( 'tagfilter' => $tag ) );
  94                 $newRow .= Xml::tags( 'td', null, $hitcount );
  95
  96                 $doneTags[] = $tag;
  97
  98                 return Xml::tags( 'tr', null, $newRow ) . "\n";
  99         }
 100
 101         protected function getGroupName() {
 102                 return 'changes';
 103         }
 104 }