Example of UI if we sentence-cased IFC classes. Good or bad? Please comment at https://community.osarch.org/discussion/comment/16493

src/blenderbim/blenderbim/bim/helper.py

@@ -17,6 +17,7 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
 # from datetime import date
+import re
 import bpy
 import json
 import math
@@ -31,6 +32,11 @@ import blenderbim.tool as tool
 from blenderbim.bim.ifc import IfcStore
 
 
+def uncamel(s):
+    s = re.sub('([a-z0-9])([A-Z])', r'\1 \2', s[3:] if s.startswith("Ifc") else s)
+    return re.sub('([A-Z])([A-Z][a-z])', r'\1 \2', s)
+
+
 def draw_attributes(props, layout, copy_operator=None, popup_active_attribute=None):
     """you can set attribute active in popup with `active_attribute`
     meaning you will be able to type into attribute's field without having to click

src/blenderbim/blenderbim/bim/module/root/data.py

@@ -21,6 +21,7 @@ import bpy
 import ifcopenshell.util.element
 from ifcopenshell.util.doc import get_entity_doc, get_predefined_type_doc
 import blenderbim.tool as tool
+import blenderbim.bim.helper
 from blenderbim.bim.ifc import IfcStore
 
 
@@ -70,7 +71,7 @@ class IfcClassData:
                 "IfcAnnotation",
                 "IfcRelSpaceBoundary",
             ]
-        return [(e, e, (get_entity_doc(version, e) or {}).get("description", "")) for e in products]
+        return [(e, blenderbim.bim.helper.uncamel(e), (get_entity_doc(version, e) or {}).get("description", "")) for e in products]
 
     @classmethod
     def ifc_classes(cls):
@@ -86,7 +87,7 @@ class IfcClassData:
                 # Yeah, weird isn't it.
                 names.remove("IfcOpeningStandardCase")
         version = tool.Ifc.get_schema()
-        return [(c, c, (get_entity_doc(version, c) or {}).get("description", "")) for c in sorted(names)]
+        return [(c, blenderbim.bim.helper.uncamel(c), (get_entity_doc(version, c) or {}).get("description", "")) for c in sorted(names)]
 
     @classmethod
     def ifc_predefined_types(cls):
@@ -163,9 +164,10 @@ class IfcClassData:
         if not element:
             return
         name = element.is_a()
+        name = blenderbim.bim.helper.uncamel(name)
         predefined_type = ifcopenshell.util.element.get_predefined_type(element)
         if predefined_type:
-            name += f"[{predefined_type}]"
+            name += f" [{predefined_type}]"
         return name
 
     @classmethod