includes/SpecialCategories.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  */
   6
   7 function wfSpecialCategories() {
   8         global $wgOut, $wgRequest;
   9
  10         $cap = new CategoryPager();
  11         $wgOut->addHTML(
  12                 wfMsgExt( 'categoriespagetext', array( 'parse' ) ) .
  13                 $cap->getStartForm( str_replace( '_', ' ', $wgRequest->getVal( 'offset' ) ) ) .
  14                 $cap->getNavigationBar() .
  15                 '<ul>' . $cap->getBody() . '</ul>' .
  16                 $cap->getNavigationBar()
  17         );
  18 }
  19
  20 /**
  21  * TODO: Allow sorting by count.  We need to have a unique index to do this
  22  * properly.
  23  *
  24  * @ingroup SpecialPage Pager
  25  */
  26 class CategoryPager extends AlphabeticPager {
  27         function getQueryInfo() {
  28                 global $wgRequest;
  29                 return array(
  30                         'tables' => array( 'category' ),
  31                         'fields' => array( 'cat_title','cat_pages' ),
  32                         'conds' => array( 'cat_pages > 0' )
  33                 );
  34         }
  35
  36         function getIndexField() {
  37 #               return array( 'abc' => 'cat_title', 'count' => 'cat_pages' );
  38                 return 'cat_title';
  39         }
  40
  41 #       protected function getOrderTypeMessages() {
  42 #               return array( 'abc' => 'special-categories-sort-abc',
  43 #                       'count' => 'special-categories-sort-count' );
  44 #       }
  45
  46         protected function getDefaultDirections() {
  47 #               return array( 'abc' => false, 'count' => true );
  48                 return false;
  49         }
  50
  51         /* Override getBody to apply LinksBatch on resultset before actually outputting anything. */
  52         public function getBody() {
  53                 if (!$this->mQueryDone) {
  54                         $this->doQuery();
  55                 }
  56                 $batch = new LinkBatch;
  57
  58                 $this->mResult->rewind();
  59
  60                 while ( $row = $this->mResult->fetchObject() ) {
  61                         $batch->addObj( Title::makeTitleSafe( NS_CATEGORY, $row->cat_title ) );
  62                 }
  63                 $batch->execute();
  64                 $this->mResult->rewind();
  65                 return parent::getBody();
  66         }
  67
  68         function formatRow($result) {
  69                 global $wgLang;
  70                 $title = Title::makeTitle( NS_CATEGORY, $result->cat_title );
  71                 $titleText = $this->getSkin()->makeLinkObj( $title, htmlspecialchars( $title->getText() ) );
  72                 $count = wfMsgExt( 'nmembers', array( 'parsemag', 'escape' ),
  73                                 $wgLang->formatNum( $result->cat_pages ) );
  74                 return Xml::tags('li', null, "$titleText ($count)" ) . "\n";
  75         }
  76
  77         public function getStartForm( $from='' ) {
  78                 global $wgScript;
  79                 $t = SpecialPage::getTitleFor( 'Categories' );
  80
  81                 return
  82                         Xml::tags( 'form', array( 'method' => 'get', 'action' => $wgScript ),
  83                                 Xml::hidden( 'title', $t->getPrefixedText() ) .
  84                                 Xml::fieldset( wfMsg( 'categories' ),
  85                                         Xml::inputLabel( wfMsg( 'categoriesfrom' ),
  86                                                 'offset', 'offset', 20, $from ) .
  87                                         ' ' .
  88                                         Xml::submitButton( wfMsg( 'allpagessubmit' ) ) ) );
  89         }
  90 }