Fixing E_NOTICE

[lhc/web/wiklou.git] / includes / SpecialCategories.php

diff --git a/includes/SpecialCategories.php b/includes/SpecialCategories.php
index b9a01fa..a653d2a 100644 (file)
--- a/includes/SpecialCategories.php
+++ b/includes/SpecialCategories.php
@@ -1,57 +1,78 @@
 <?php
 /**
  *
+ * @addtogroup SpecialPage
  */
 
-/**
- *
- */
-require_once("QueryPage.php");
+function wfSpecialCategories() {
+       global $wgOut;
+
+       $cap = new CategoryPager();
+       $wgOut->addHTML( 
+               wfMsgExt( 'categoriespagetext', array( 'parse' ) ) .
+               $cap->getNavigationBar()
+               . '<ul>' . $cap->getBody() . '</ul>' .
+               $cap->getNavigationBar()
+       );
+}
 
 /**
+ * TODO: Allow sorting by count.  We need to have a unique index to do this
+ * properly.
  *
+ * @addtogroup SpecialPage
+ * @addtogroup Pager
  */
-class CategoriesPage extends QueryPage {
-
-       function getName() {
-               return "Categories";
+class CategoryPager extends AlphabeticPager {
+       function getQueryInfo() {
+               global $wgRequest;
+               return array(
+                       'tables' => array( 'category' ),
+                       'fields' => array( 'cat_title','cat_pages' ),
+                       'conds' => array( 'cat_pages > 0' )
+               );
        }
-
-       function isExpensive() {
-               return false;
+       
+       function getIndexField() {
+#              return array( 'abc' => 'cat_title', 'count' => 'cat_pages' );
+               return 'cat_title';
        }
 
-       function getSQL() {
-               $NScat = NS_CATEGORY;
-               $dbr =& wfGetDB( DB_SLAVE );
-               $categorylinks = $dbr->tableName( 'categorylinks' );
-               return "SELECT DISTINCT 'Categories' as type, 
-                               {$NScat} as namespace,
-                               cl_to as title,
-                               1 as value
-                          FROM $categorylinks";
+#      protected function getOrderTypeMessages() {
+#              return array( 'abc' => 'special-categories-sort-abc',
+#                      'count' => 'special-categories-sort-count' );
+#      }
+
+       protected function getDefaultDirections() {
+#              return array( 'abc' => false, 'count' => true );
+               return false;
        }
        
-       function sortDescending() {
-               return false;
+       /* Override getBody to apply LinksBatch on resultset before actually outputting anything. */
+       public function getBody() {
+               if (!$this->mQueryDone) {
+                       $this->doQuery();
+               }
+               $batch = new LinkBatch;
+       
+               $this->mResult->rewind();
+               
+               while ( $row = $this->mResult->fetchObject() ) {
+                       $batch->addObj( Title::makeTitleSafe( NS_CATEGORY, $row->cat_title ) );
+               }
+               $batch->execute();
+               $this->mResult->rewind();
+               return parent::getBody();
        }
-
-       function formatResult( $skin, $result ) {
+       
+       function formatRow($result) {
                global $wgLang;
-               $title = Title::makeTitle( NS_CATEGORY, $result->title );
-               return $skin->makeLinkObj( $title, $title->getText() );
+               $title = Title::makeTitle( NS_CATEGORY, $result->cat_title );
+               $titleText = $this->getSkin()->makeLinkObj( $title, htmlspecialchars( $title->getText() ) );
+               $count = wfMsgExt( 'nmembers', array( 'parsemag', 'escape' ),
+                               $wgLang->formatNum( $result->cat_pages ) );
+               return Xml::tags('li', null, "$titleText ($count)" ) . "\n";
        }
 }
 
-/**
- *
- */
-function wfSpecialCategories() {
-       list( $limit, $offset ) = wfCheckLimits();
-
-       $cap = new CategoriesPage();
-
-       return $cap->doQuery( $offset, $limit );
-}
 
-?>