Window: workaround for bug in web >= 2.6.3

fixes #2063

library/Director/Web/Controller/ActionController.php

@@ -10,6 +10,7 @@ use Icinga\Module\Director\Monitoring;
 use Icinga\Module\Director\Web\Controller\Extension\CoreApi;
 use Icinga\Module\Director\Web\Controller\Extension\DirectorDb;
 use Icinga\Module\Director\Web\Controller\Extension\RestApi;
+use Icinga\Module\Director\Web\Window;
 use Icinga\Security\SecurityException;
 use Icinga\Web\Controller;
 use Icinga\Web\UrlParams;
@@ -67,6 +68,21 @@ abstract class ActionController extends Controller implements ControlsAndContent
         return $this->Auth();
     }
 
+    /**
+     * @codingStandardsIgnoreStart
+     * @return Window
+     */
+    public function Window()
+    {
+        // @codingStandardsIgnoreEnd
+        if ($this->window === null) {
+            $this->window = new Window(
+                $this->_request->getHeader('X-Icinga-WindowId', Window::UNDEFINED)
+            );
+        }
+        return $this->window;
+    }
+
     /**
      * @throws SecurityException
      */

library/Director/Web/Controller/Extension/DirectorDb.php

@@ -4,6 +4,7 @@ namespace Icinga\Module\Director\Web\Controller\Extension;
 
 use Icinga\Module\Director\Db;
 use Icinga\Module\Director\Web\Controller\ActionController;
+use Icinga\Module\Director\Web\Window;
 use RuntimeException;
 
 trait DirectorDb
@@ -125,7 +126,7 @@ trait DirectorDb
 
     protected function getWindowSessionValue($value, $default = null)
     {
-        /** @var \Icinga\Web\Window $window */
+        /** @var Window $window */
         $window = $this->Window();
         /** @var \Icinga\Web\Session\SessionNamespace $session */
         $session = $window->getSessionNamespace('director');

library/Director/Web/Navigation/Renderer/ConfigHealthItemRenderer.php

@@ -12,7 +12,7 @@ use Icinga\Module\Director\Db\Migrations;
 use Icinga\Module\Director\KickstartHelper;
 use Icinga\Module\Director\Web\Controller\Extension\DirectorDb;
 use Icinga\Web\Navigation\Renderer\BadgeNavigationItemRenderer;
-use Icinga\Web\Window;
+use Icinga\Module\Director\Web\Window;
 
 class ConfigHealthItemRenderer extends BadgeNavigationItemRenderer
 {

library/Director/Web/Window.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Icinga\Module\Director\Web;
+
+use Icinga\Web\Window as WebWindow;
+
+class Window extends WebWindow
+{
+    public function __construct($id)
+    {
+        parent::__construct(\preg_replace('/_.+$/', '', $id));
+    }
+}