includes/SpecialCategories.php

   1 <?php
   2 /**
   3  *
   4  * @addtogroup SpecialPage
   5  */
   6
   7 function wfSpecialCategories() {
   8         global $wgOut;
   9
  10         $cap = new CategoryPager();
  11         $wgOut->addHTML(
  12                 wfMsgExt( 'categoriespagetext', array( 'parse' ) ) .
  13                 $cap->getNavigationBar()
  14                 . '<ul>' . $cap->getBody() . '</ul>' .
  15                 $cap->getNavigationBar()
  16         );
  17 }
  18
  19 /**
  20  * @addtogroup SpecialPage
  21  * @addtogroup Pager
  22  */
  23 class CategoryPager extends AlphabeticPager {
  24         private $mOrderType = 'abc';
  25
  26         public function __construct() {
  27                 parent::__construct();
  28                 if( $this->mRequest->getText( 'order' ) == 'count' ) {
  29                         $this->mOrderType = 'count';
  30                 }
  31                 if( $this->mRequest->getText( 'direction' ) == 'asc' ) {
  32                         $this->mDefaultDirection = false;
  33                 } elseif( $this->mRequest->getText( 'direction' ) == 'desc'
  34                 || $this->mOrderType == 'count' ) {
  35                         $this->mDefaultDirection = true;
  36                 }
  37         }
  38
  39         function getQueryInfo() {
  40                 global $wgRequest;
  41                 return array(
  42                         'tables' => array( 'category' ),
  43                         'fields' => array( 'cat_title','cat_pages' ),
  44                         'conds' => array( 'cat_pages > 0' )
  45                 );
  46         }
  47
  48         function getIndexField() {
  49                 # We can't use mOrderType here, since this is called from the parent
  50                 # constructor.  Hmm.
  51                 if( $this->mRequest->getText( 'order' ) == 'count' ) {
  52                         return 'cat_pages';
  53                 } else {
  54                         return "cat_title";
  55                 }
  56         }
  57
  58         /* Override getBody to apply LinksBatch on resultset before actually outputting anything. */
  59         public function getBody() {
  60                 if (!$this->mQueryDone) {
  61                         $this->doQuery();
  62                 }
  63                 $batch = new LinkBatch;
  64
  65                 $this->mResult->rewind();
  66
  67                 while ( $row = $this->mResult->fetchObject() ) {
  68                         $batch->addObj( Title::makeTitleSafe( NS_CATEGORY, $row->cat_title ) );
  69                 }
  70                 $batch->execute();
  71                 $this->mResult->rewind();
  72                 return parent::getBody();
  73         }
  74
  75         function formatRow($result) {
  76                 global $wgLang;
  77                 $title = Title::makeTitle( NS_CATEGORY, $result->cat_title );
  78                 $titleText = $this->getSkin()->makeLinkObj( $title, htmlspecialchars( $title->getText() ) );
  79                 $count = wfMsgExt( 'nmembers', array( 'parsemag', 'escape' ),
  80                                 $wgLang->formatNum( $result->cat_pages ) );
  81                 return Xml::tags('li', null, "$titleText ($count)" ) . "\n";
  82         }
  83
  84         /** Override this to order by count */
  85         public function getNavigationBar() {
  86                 $nav = parent::getNavigationBar() . ' (';
  87                 if( $this->mOrderType == 'abc' ) {
  88                         $nav .= $this->makeLink(
  89                                 wfMsgHTML( 'special-categories-sort-count' ),
  90                                 array( 'order' => 'count' )
  91                         );
  92                 } else {
  93                         $nav .= $this->makeLink(
  94                                 wfMsgHTML( 'special-categories-sort-abc' ),
  95                                 array( 'order' => 'abc' )
  96                         );
  97                 }
  98                 $nav .= ') (';
  99                 # FIXME, these are stupid query names.  "order" and "dir" are already
 100                 # used.
 101                 if( $this->mDefaultDirection ) {
 102                         # Descending
 103                         $nav .= $this->makeLink(
 104                                 wfMsgHTML( 'special-categories-sort-asc' ),
 105                                 array( 'direction' => 'asc' )
 106                         );
 107                 } else {
 108                         $nav .= $this->makeLink(
 109                                 wfMsgHTML( 'special-categories-sort-desc' ),
 110                                 array( 'direction' => 'desc' )
 111                         );
 112                 }
 113                 $nav .= ')';
 114                 return $nav;
 115         }
 116 }
 117
 118