[+] BO : Page header toolbar

controllers/admin/AdminGroupsController.php

@@ -142,6 +142,18 @@ class AdminGroupsControllerCore extends AdminController
 		parent::initToolbar();
 	}
 
+	public function initPageHeaderToolbar()
+	{
+		$this->page_header_toolbar_title = $this->l('Groups');
+		$this->page_header_toolbar_btn['new_group'] = array(
+			'href' => self::$currentIndex.'&addgroup&token='.$this->token,
+			'desc' => $this->l('Add new group'),
+			'icon' => 'process-icon-new'
+		);
+
+		parent::initPageHeaderToolbar();
+	}
+
 	public function initProcess()
 	{
 		$this->id_object = Tools::getValue('id_'.$this->table);