From dfd37ca27bcc1a16fcfbf6236f98142c8210d84f Mon Sep 17 00:00:00 2001
From: Ad Schellevis <ad@opnsense.org>
Date: Tue, 22 Sep 2015 13:36:49 +0200
Subject: [PATCH] (mvc) add parent to BaseField to support logic spawning over
 different fields

---
 .../models/OPNsense/Base/FieldTypes/BaseField.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/BaseField.php b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/BaseField.php
index 5f4f62ff1..5d7600e79 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/BaseField.php
+++ b/src/opnsense/mvc/app/models/OPNsense/Base/FieldTypes/BaseField.php
@@ -45,6 +45,11 @@ abstract class BaseField
      */
     protected $internalChildnodes = array();
 
+    /**
+     * @var null pointer to parent
+     */
+    protected $internalParentNode = null;
+
     /**
      * @var bool marks if this is a data node or a container
      */
@@ -185,6 +190,16 @@ abstract class BaseField
     public function addChildNode($name, $node)
     {
         $this->internalChildnodes[$name] = $node;
+        $node->setParentNode($this);
+    }
+
+    /**
+     * set pointer to parent node, used by addChildNode to backref this node
+     * @param BaseField $node pointer to parent
+     */
+    private function setParentNode($node)
+    {
+        $this->internalParentNode = $node;
     }
 
     /**