From 1e4db01ff56e5464a6fe6406cd76caf1e4612e70 Mon Sep 17 00:00:00 2001
From: "Zheng, Lei" <realthunder.dev@gmail.com>
Date: Thu, 26 Jul 2018 11:13:09 +0800
Subject: [PATCH] assembly: auto solve on constraint group change

---
 assembly.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/assembly.py b/assembly.py
index 92b365e..1aa494e 100644
--- a/assembly.py
+++ b/assembly.py
@@ -1662,6 +1662,13 @@ class AsmConstraintGroup(AsmGroup):
                 cstr.parent = self
                 obj.recompute()
 
+    def onChanged(self,obj,prop):
+        if obj.Removing or FreeCAD.isRestoring():
+            return
+        if prop not in _IgnoredProperties:
+            System.onChanged(obj,prop)
+            Assembly.autoSolve(obj,prop)
+
     @staticmethod
     def make(parent,name='Constraints'):
         obj = parent.Document.addObject("App::FeaturePython",name,