Search button now only displays when an enum has more than 10 items

To reduce visual clutter for enums with only a few values
Also tweak the online docs ui function

src/blenderbim/blenderbim/bim/helper.py

@@ -118,11 +118,12 @@ def export_attributes(props, callback=None):
 def prop_with_search(layout, data, prop_name, **kwargs):
     # kwargs are layout.prop arguments (text, icon, etc.)
     row = layout.row(align=True)
-    # Magick courtesy of https://blender.stackexchange.com/a/203443/86891
-    row.context_pointer_set(name="data", data=data)
     row.prop(data, prop_name, **kwargs)
-    op = row.operator("bim.enum_property_search", text="", icon="VIEWZOOM")
-    op.prop_name = prop_name
+    if len(get_enum_items(data, prop_name)) > 10:
+        # Magick courtesy of https://blender.stackexchange.com/a/203443/86891
+        row.context_pointer_set(name="data", data=data)
+        op = row.operator("bim.enum_property_search", text="", icon="VIEWZOOM")
+        op.prop_name = prop_name
 
 
 def get_enum_items(data, prop_name, context=None):

src/blenderbim/blenderbim/bim/ui.py

@@ -385,10 +385,12 @@ class BIM_PT_misc_object(Panel):
 
 
 def draw_custom_context_menu(self, context):
-    layout = self.layout
-    layout.separator()
     # https://blender.stackexchange.com/a/275555/86891
-    prop_value = getattr(context.button_pointer, context.button_prop.identifier)
+    prop = context.button_pointer
+    prop_name = context.button_prop.identifier
+    prop_value = getattr(prop, prop_name, None)
+    if prop_value is None:
+        return
     try:
         url = get_ifc_entity_doc_url(prop_value)
     except KeyError:
@@ -396,5 +398,7 @@ def draw_custom_context_menu(self, context):
         pass
     else:
         if url:
-            url_op = layout.operator("bim.open_webbrowser", icon="URL", text="Open IFC Documentation")
+            layout = self.layout
+            layout.separator()
+            url_op = layout.operator("bim.open_webbrowser", icon="URL", text="Online IFC Documentation")
             url_op.url = url