From 3f2d217a45e81c0501ca21fdef5f09d405fe3429 Mon Sep 17 00:00:00 2001
From: Mojmir Fendek <mojmir@silverstripe.com>
Date: Wed, 5 Jul 2017 10:13:48 +1200
Subject: [PATCH] Limited nodes that have more children than allowed limit are
 no longer accessible to the user.

---
 src/ORM/Hierarchy/MarkedSet.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ORM/Hierarchy/MarkedSet.php b/src/ORM/Hierarchy/MarkedSet.php
index 141e0eca6..353b11cf8 100644
--- a/src/ORM/Hierarchy/MarkedSet.php
+++ b/src/ORM/Hierarchy/MarkedSet.php
@@ -407,13 +407,14 @@ class MarkedSet
         // Build root rode
         $expanded = $this->isExpanded($node);
         $opened = $this->isTreeOpened($node);
+        $count = ($limited && $numChildren > $this->getMaxChildNodes()) ? 0 : $numChildren;
         $output = [
             'node' => $node,
             'marked' => $this->isMarked($node),
             'expanded' => $expanded,
             'opened' => $opened,
             'depth' => $depth,
-            'count' => $numChildren, // Count of DB children
+            'count' => $count, // Count of DB children
             'limited' => $limited, // Flag whether 'items' has been limited
             'children' => [], // Children to return in this request
         ];