Block the user from creating sub resources under a subcontract resource.

src/blenderbim/blenderbim/bim/module/resource/ui.py

@@ -1,4 +1,3 @@
-
 # BlenderBIM Add-on - OpenBIM Blender Add-on
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -22,6 +21,7 @@ from blenderbim.bim.ifc import IfcStore
 from ifcopenshell.api.resource.data import Data
 import blenderbim.bim.helper
 
+
 class BIM_PT_resources(Panel):
     bl_label = "IFC Resources"
     bl_idname = "BIM_PT_resources"
@@ -68,7 +68,12 @@ class BIM_PT_resources(Panel):
         }
 
         total_resources = len(self.tprops.resources)
-        if total_resources and self.props.active_resource_index < total_resources:
+        if (
+            total_resources
+            and self.props.active_resource_index < total_resources
+            and Data.resources[self.tprops.resources[self.props.active_resource_index].ifc_definition_id]["type"]
+            != "IfcSubContractResource"
+        ):
             row = self.layout.row(align=True)
             for ifc_class, icon in icon_map.items():
                 label = ifc_class.replace("Ifc", "").replace("Construction", "").replace("Resource", "")