Add window awareness

refs #5510

application/layouts/scripts/layout.phtml

@@ -20,6 +20,7 @@
 
   <script type="text/javascript">
     var base_url = '<?= $this->baseUrl() ?>';
+    var request_id = '<?= $this->requestId(); ?>';
     ICINGA_DEBUG = true;
   </script>
   <? if (isset($_GET['iframe']) && $_GET['iframe'] === 'true'): ?>

application/views/helpers/RequestId.php

@@ -0,0 +1,40 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+/**
+ * This file is part of Icinga Web 2.
+ *
+ * Icinga Web 2 - Head for multiple monitoring backends.
+ * Copyright (C) 2014 Icinga Development Team
+ *
+ * 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.
+ *
+ * @copyright  2014 Icinga Development Team <info@icinga.org>
+ * @license    http://www.gnu.org/licenses/gpl-2.0.txt GPL, version 2
+ * @author     Icinga Development Team <info@icinga.org>
+ *
+ */
+// {{{ICINGA_LICENSE_HEADER}}}
+
+use \Zend_Controller_Front;
+use \Zend_View_Helper_Abstract;
+
+
+class Zend_View_Helper_RequestId extends Zend_View_Helper_Abstract
+{
+    public function requestId()
+    {
+        return Zend_Controller_Front::getInstance()->getRequest()->getId();
+    }
+}

library/Icinga/Web/Request.php

@@ -63,4 +63,20 @@ class Request extends Zend_Controller_Request_Http
     {
         return $this->user;
     }
+
+    /**
+     * Return a identifier to uniquely identify the request's source
+     *
+     * @return  string
+     */
+    public function getId()
+    {
+        $requestId = $this->getParam('request_id');
+
+        if ($requestId === null) {
+            $requestId = substr('abcdefghijklmnopqrstuvwxyz', mt_rand(0, 25), 1) . substr(md5(time()), -7);
+        }
+
+        return $requestId;
+    }
 }

public/js/icinga/icinga.js

@@ -48,6 +48,24 @@ define([
          */
         var initialize = function () {
             components.load();
+
+            // qd, wip, wrong, the nastiest piece of JS code you've ever seen..
+            if (window.name === '') {
+                window.name = request_id; // The request id should survive page reloads..
+            }
+            $(document).on('click', 'a', function() {
+                // TODO: The intention of these lines is sending the "request_id" every
+                //       time a request is made, though this approach does not work for
+                //       XHR requests and it is also hijacking external links.
+                //       An alternative is required, once someone reworked the Javascript
+                //       implementation so we have some sort of centralized place to handle
+                //       stuff like that properly.
+                var href = $(this).attr('href');
+                window.location.href = URI(href).addSearch('request_id', window.name);
+                return false;
+            });
+            // qd, wip, wrong, the nastiest piece of JS code you've ever seen..
+
             log.debug("Initialization finished");
         };