Changing back to $wgUser in SpecialImport.php. Importing pages returned "call to...
[lhc/web/wiklou.git] / includes / CategoryPage.php
index 6843b82..809466b 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * Special handling for category description pages.
+ * Class for viewing MediaWiki category description pages.
  * Modelled after ImagePage.php.
  *
  * @file
@@ -17,6 +17,22 @@ class CategoryPage extends Article {
        # Subclasses can change this to override the viewer class.
        protected $mCategoryViewerClass = 'CategoryViewer';
 
+       protected function newPage( Title $title ) {
+               // Overload mPage with a category-specific page
+               return new WikiCategoryPage( $title );
+       }
+
+       /**
+        * Constructor from a page id
+        * @param $id Int article ID to load
+        */
+       public static function newFromID( $id ) {
+               $t = Title::newFromID( $id );
+               # @todo FIXME: Doesn't inherit right
+               return $t == null ? null : new self( $t );
+               # return $t == null ? null : new static( $t ); // PHP 5.3
+       }
+
        function view() {
                global $wgRequest, $wgUser;
 
@@ -42,27 +58,6 @@ class CategoryPage extends Article {
                }
        }
 
-       /**
-        * Don't return a 404 for categories in use.
-        * In use defined as: either the actual page exists
-        * or the category currently has members.
-        */
-       function hasViewableContent() {
-               if ( parent::hasViewableContent() ) {
-                       return true;
-               } else {
-                       $cat = Category::newFromTitle( $this->mTitle );
-                       // If any of these are not 0, then has members
-                       if ( $cat->getPageCount()
-                               || $cat->getSubcatCount()
-                               || $cat->getFileCount()
-                       ) {
-                               return true;
-                       }
-               }
-               return false;
-       }
-
        function openShowCategory() {
                # For overloading
        }
@@ -629,7 +624,7 @@ class CategoryViewer {
                        $prevQuery["{$type}until"] = $first;
                        unset( $prevQuery["{$type}from"] );
                        $prevLink = $sk->linkKnown(
-                               $this->title,
+                               $this->addFragmentToTitle( $this->title, $type ),
                                $prevLink,
                                array(),
                                $prevQuery
@@ -643,7 +638,7 @@ class CategoryViewer {
                        $lastQuery["{$type}from"] = $last;
                        unset( $lastQuery["{$type}until"] );
                        $nextLink = $sk->linkKnown(
-                               $this->title,
+                               $this->addFragmentToTitle( $this->title, $type ),
                                $nextLink,
                                array(),
                                $lastQuery
@@ -653,6 +648,32 @@ class CategoryViewer {
                return "($prevLink) ($nextLink)";
        }
 
+       /**
+        * Takes a title, and adds the fragment identifier that
+        * corresponds to the correct segment of the category.
+        *
+        * @param Title $title: The title (usually $this->title)
+        * @param String $section: Which section
+        */
+       private function addFragmentToTitle( $title, $section ) {
+               switch ( $section ) {
+                       case 'page':
+                               $fragment = 'mw-pages';
+                               break;
+                       case 'subcat':
+                               $fragment = 'mw-subcategories';
+                               break;
+                       case 'file':
+                               $fragment = 'mw-category-media';
+                               break;
+                       default:
+                               throw new MWException( __METHOD__ .
+                                       " Invalid section $section." );
+               }
+
+               return Title::makeTitle( $title->getNamespace(),
+                       $title->getDBkey(), $fragment );
+       }
        /**
         * What to do if the category table conflicts with the number of results
         * returned?  This function says what. Each type is considered independently