1 files changed, 118 insertions, 0 deletions
diff --git a/includes/page/CategoryPage.php b/includes/page/CategoryPage.php
new file mode 100644
index 00000000..9abc6a89
--- /dev/null
+++ b/includes/page/CategoryPage.php
@@ -0,0 +1,118 @@
+<?php
+/**
+ * Special handling for category description pages.
+ * Modelled after ImagePage.php.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * Special handling for category description pages, showing pages,
+ * subcategories and file that belong to the category
+ */
+class CategoryPage extends Article {
+	# Subclasses can change this to override the viewer class.
+	protected $mCategoryViewerClass = 'CategoryViewer';
+
+	/**
+	 * @param Title $title
+	 * @return WikiCategoryPage
+	 */
+	protected function newPage( Title $title ) {
+		// Overload mPage with a category-specific page
+		return new WikiCategoryPage( $title );
+	}
+
+	/**
+	 * Constructor from a page id
+	 * @param int $id Article ID to load
+	 * @return CategoryPage|null
+	 */
+	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() {
+		$request = $this->getContext()->getRequest();
+		$diff = $request->getVal( 'diff' );
+		$diffOnly = $request->getBool( 'diffonly',
+			$this->getContext()->getUser()->getOption( 'diffonly' ) );
+
+		if ( $diff !== null && $diffOnly ) {
+			parent::view();
+			return;
+		}
+
+		if ( !wfRunHooks( 'CategoryPageView', array( &$this ) ) ) {
+			return;
+		}
+
+		$title = $this->getTitle();
+		if ( NS_CATEGORY == $title->getNamespace() ) {
+			$this->openShowCategory();
+		}
+
+		parent::view();
+
+		if ( NS_CATEGORY == $title->getNamespace() ) {
+			$this->closeShowCategory();
+		}
+	}
+
+	function openShowCategory() {
+		# For overloading
+	}
+
+	function closeShowCategory() {
+		// Use these as defaults for back compat --catrope
+		$request = $this->getContext()->getRequest();
+		$oldFrom = $request->getVal( 'from' );
+		$oldUntil = $request->getVal( 'until' );
+
+		$reqArray = $request->getValues();
+
+		$from = $until = array();
+		foreach ( array( 'page', 'subcat', 'file' ) as $type ) {
+			$from[$type] = $request->getVal( "{$type}from", $oldFrom );
+			$until[$type] = $request->getVal( "{$type}until", $oldUntil );
+
+			// Do not want old-style from/until propagating in nav links.
+			if ( !isset( $reqArray["{$type}from"] ) && isset( $reqArray["from"] ) ) {
+				$reqArray["{$type}from"] = $reqArray["from"];
+			}
+			if ( !isset( $reqArray["{$type}to"] ) && isset( $reqArray["to"] ) ) {
+				$reqArray["{$type}to"] = $reqArray["to"];
+			}
+		}
+
+		unset( $reqArray["from"] );
+		unset( $reqArray["to"] );
+
+		$viewer = new $this->mCategoryViewerClass(
+			$this->getContext()->getTitle(),
+			$this->getContext(),
+			$from,
+			$until,
+			$reqArray
+		);
+		$this->getContext()->getOutput()->addHTML( $viewer->getHTML() );
+	}
+}