pkp/pkp-lib#5199 Set the current page on the top menu - OPS 3.4

plugins/themes/default/DefaultThemePlugin.php

@@ -3,8 +3,8 @@
 /**
  * @file plugins/themes/default/DefaultThemePlugin.php
  *
- * Copyright (c) 2014-2022 Simon Fraser University
- * Copyright (c) 2003-2022 John Willinsky
+ * Copyright (c) 2014-2024 Simon Fraser University
+ * Copyright (c) 2003-2024 John Willinsky
  * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
  *
  * @class DefaultThemePlugin
@@ -17,9 +17,14 @@
 use APP\core\Application;
 use APP\file\PublicFileManager;
 use PKP\config\Config;
-use PKP\plugins\ThemePlugin;
 use PKP\session\SessionManager;
 
+use APP\facades\Repo;
+use APP\issue\Collector;
+use APP\services\NavigationMenuService;
+use PKP\plugins\ThemePlugin;
+use PKP\plugins\Hook;
+
 class DefaultThemePlugin extends ThemePlugin
 {
     /**
@@ -210,6 +215,9 @@ public function init()
 
         // Add navigation menu areas for this theme
         $this->addMenuArea(['primary', 'user']);
+
+
+               Hook::add('TemplateManager::display', array($this, 'checkCurrentPage'));
     }
 
     /**
@@ -253,6 +261,47 @@ public function getDescription()
     {
         return __('plugins.themes.default.description');
     }
+
+	/**
+	 * @param $hookname string
+	 * @param $args array
+	 */
+	public function checkCurrentPage($hookname, $args) {
+		$templateMgr = $args[0];
+		// TODO check the issue with multiple calls of the hook on settings/website
+		if (!isset($templateMgr->registered_plugins["function"]["default_item_active"])) {
+			$templateMgr->registerPlugin('function', 'default_item_active', array($this, 'isActiveItem'));
+		}
+
+	}
+
+	/**
+	 * @param $params array
+	 * @param $smarty Smarty_Internal_Template
+	 * @return string
+	 */
+	public function isActiveItem($params, $smarty) {
+
+		$navigationMenuItem = $params['item'];
+		$emptyMarker = '';
+		$activeMarker = ' active';
+
+		// Get URL of the current page
+		$request = $this->getRequest();
+		$currentUrl = $request->getCompleteUrl();
+		$currentPage = $request->getRequestedPage();
+
+		// Do not add an active marker if it's a dropdown menu
+		if ($navigationMenuItem->getIsChildVisible()) return $emptyMarker;
+
+		// Retrieve URL and its components for a menu item
+		$itemUrl = $navigationMenuItem->getUrl();
+
+		if ($currentUrl === $itemUrl) return $activeMarker;
+
+		return $emptyMarker;
+	}
+
 }
 
 if (!PKP_STRICT_MODE) {