From c401f9d75c945117fbd20a45af3a4a403e5f323b Mon Sep 17 00:00:00 2001
From: Markus Lampert <markus@bibi.ca>
Date: Tue, 12 Sep 2017 13:58:50 -0700
Subject: [PATCH] Replace Base property type with LinkSubListGlobal in order to
 keep Path ops working.

---
 src/Mod/Path/PathScripts/PathOp.py | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Path/PathScripts/PathOp.py b/src/Mod/Path/PathScripts/PathOp.py
index 7c9c7010a1..bc14b4cac3 100644
--- a/src/Mod/Path/PathScripts/PathOp.py
+++ b/src/Mod/Path/PathScripts/PathOp.py
@@ -39,7 +39,7 @@ if False:
     PathLog.setLevel(PathLog.Level.DEBUG, PathLog.thisModule())
     PathLog.trackModule()
 else:
-    PathLog.setLevel(PathLog.Level.NOTICE, PathLog.thisModule())
+    PathLog.setLevel(PathLog.Level.INFO, PathLog.thisModule())
 
 # Qt tanslation handling
 def translate(context, text, disambig=None):
@@ -88,6 +88,10 @@ class ObjectOp(object):
     implementation - otherwise the base functionality might be broken.
     '''
 
+    def addBaseProperty(self, obj):
+        obj.addProperty("App::PropertyLinkSubListGlobal", "Base", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property", "The base geometry for this operation"))
+
+
     def __init__(self, obj):
         PathLog.track()
 
@@ -98,7 +102,7 @@ class ObjectOp(object):
         features = self.opFeatures(obj)
 
         if FeatureBaseGeometry & features:
-            obj.addProperty("App::PropertyLinkSubList", "Base", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property", "The base geometry for this operation"))
+            self.addBaseProperty(obj)
 
         if FeatureLocations & features:
             obj.addProperty("App::PropertyVectorList", "Locations", "Path", QtCore.QT_TRANSLATE_NOOP("App::Property", "Base locations for this operation"))
@@ -129,6 +133,16 @@ class ObjectOp(object):
         obj.Proxy = self
         self.setDefaultValues(obj)
 
+    def onDocumentRestored(self, obj):
+        if FeatureBaseGeometry & self.opFeatures(obj) and 'App::PropertyLinkSubList' == obj.getTypeIdOfProperty('Base'):
+            PathLog.info("Replacing link property with global link (%s)." % obj.State)
+            base = obj.Base
+            obj.removeProperty('Base')
+            self.addBaseProperty(obj)
+            obj.Base = base
+            obj.touch()
+            obj.Document.recompute()
+
     def __getstate__(self):
         '''__getstat__(self) ... called when receiver is saved.
         Can safely be overwritten by subclasses.'''