Set dashboard active if it is not disabled

library/Icinga/Web/Navigation/DashboardPane.php

@@ -17,6 +17,8 @@ class DashboardPane extends NavigationItem
      */
     protected $dashlets;
 
+    protected $disabled;
+
     /**
      * Set this pane's dashlets
      *
@@ -72,4 +74,24 @@ class DashboardPane extends NavigationItem
             $item->getDashlets(false)
         ));
     }
+
+    /**
+     * Set disabled state for pane
+     *
+     * @param bool $disabled
+     */
+    public function setDisabled($disabled=true)
+    {
+        $this->disabled = (bool) $disabled;
+    }
+
+    /**
+     * Get disabled state for pane
+     *
+     * @return bool
+     */
+    public function getDisabled()
+    {
+        return $this->disabled;
+    }
 }

library/Icinga/Web/Widget/Dashboard.php

@@ -373,8 +373,15 @@ class Dashboard extends AbstractWidget
      */
     private function setDefaultPane()
     {
-        reset($this->panes);
-        $active = key($this->panes);
+        $active = null;
+
+        foreach ($this->panes as $key=>$pane) {
+            if ($pane->getDisabled() === false) {
+                $active = $key;
+                break;
+            }
+        }
+
         if ($active !== null) {
             $this->activate($active);
         }