From 4720d7fee4087074933242da0792ade74b3d346b Mon Sep 17 00:00:00 2001
From: andreas-p <andreas-p@users.noreply.github.com>
Date: Thu, 14 Apr 2022 12:03:58 +0200
Subject: [PATCH] CheckPresent

---
 node.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/node.py b/node.py
index 62fb226..b6b8075 100644
--- a/node.py
+++ b/node.py
@@ -369,6 +369,8 @@ def PopulateChildren(self):
       nodeinfo=self.moduleinfo()['nodes'][nodename]
       collText=nodeinfo.get('collection')
       cls=nodeinfo['class']
+      if hasattr(cls, 'CheckPresent') and not cls.CheckPresent(self):
+        continue
       if collText and not isinstance(self, Collection):
         child=Collection(self, collText, cls)
         self.appendChild(child)