1 files changed, 78 insertions, 0 deletions
diff --git a/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php b/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php
new file mode 100644
index 00000000..434d7222
--- /dev/null
+++ b/www/wiki/extensions/CategoryTree/includes/CategoryTreeCategoryViewer.php
@@ -0,0 +1,78 @@
+<?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
+ */
+
+class CategoryTreeCategoryViewer extends CategoryViewer {
+	public $child_cats;
+
+	/**
+	 * @var CategoryTree
+	 */
+	public $categorytree;
+
+	/**
+	 * @return CategoryTree
+	 */
+	private function getCategoryTree() {
+		global $wgCategoryTreeCategoryPageOptions;
+
+		if ( !isset( $this->categorytree ) ) {
+			if ( !CategoryTreeHooks::shouldForceHeaders() ) {
+				CategoryTree::setHeaders( $this->getOutput() );
+			}
+
+			$this->categorytree = new CategoryTree( $wgCategoryTreeCategoryPageOptions );
+		}
+
+		return $this->categorytree;
+	}
+
+	/**
+	 * Add a subcategory to the internal lists
+	 * @param Category $cat
+	 * @param string $sortkey
+	 * @param int $pageLength
+	 */
+	public function addSubcategoryObject( Category $cat, $sortkey, $pageLength ) {
+		$title = $cat->getTitle();
+
+		if ( $this->getRequest()->getCheck( 'notree' ) ) {
+			parent::addSubcategoryObject( $cat, $sortkey, $pageLength );
+			return;
+		}
+
+		$tree = $this->getCategoryTree();
+
+		$this->children[] = $tree->renderNodeInfo( $title, $cat );
+
+		$this->children_start_char[] = $this->getSubcategorySortChar( $title, $sortkey );
+	}
+
+	public function clearCategoryState() {
+		$this->child_cats = [];
+		parent::clearCategoryState();
+	}
+
+	public function finaliseCategoryState() {
+		if ( $this->flip ) {
+			$this->child_cats = array_reverse( $this->child_cats );
+		}
+		parent::finaliseCategoryState();
+	}
+}