Hide assign class panel for representation items

src/bonsai/bonsai/bim/module/model/data.py

@@ -74,6 +74,7 @@ class AuthoringData:
         cls.data["has_visible_boundaries"] = cls.has_visible_boundaries()
         cls.data["active_class"] = cls.active_class()
         cls.data["active_material_usage"] = cls.active_material_usage()
+        cls.data["is_representation_item_active"] = cls.is_representation_item_active()
         cls.data["active_representation_type"] = cls.active_representation_type()
         cls.data["boundary_class"] = cls.boundary_class()
         cls.data["selected_material_usages"] = cls.selected_material_usages()
@@ -192,6 +193,13 @@ class AuthoringData:
             if element:
                 return tool.Model.get_usage_type(element)
 
+    @classmethod
+    def is_representation_item_active(cls) -> bool:
+        object = bpy.context.active_object
+        if not object:
+            return False
+        return tool.Geometry.is_representation_item(object)
+
     @classmethod
     def active_representation_type(cls):
         if active_object := tool.Blender.get_active_object():
@@ -555,7 +563,6 @@ class ItemData:
         cls.data = {}
         cls.data["representation_identifier"] = cls.representation_identifier()
         cls.data["representation_type"] = cls.representation_type()
-        cls.data["is_representation_item_active"] = cls.is_representation_item_active()
 
     @classmethod
     def representation_identifier(cls):
@@ -568,10 +575,3 @@ class ItemData:
         props = bpy.context.scene.BIMGeometryProperties
         rep = tool.Geometry.get_active_representation(props.representation_obj)
         return rep.RepresentationType
-
-    @classmethod
-    def is_representation_item_active(cls) -> bool:
-        object = bpy.context.active_object
-        if not object:
-            return False
-        return tool.Geometry.is_representation_item(object)

src/bonsai/bonsai/bim/module/model/workspace.py

@@ -261,6 +261,8 @@ class EditItemUI:
     def draw(cls, context: bpy.types.Context, layout: bpy.types.UILayout):
         if not ItemData.is_loaded:
             ItemData.load()
+        if not AuthoringData.is_loaded:
+            AuthoringData.load()
 
         cls.layout = layout
         row = cls.layout.row()
@@ -270,7 +272,7 @@ class EditItemUI:
         row = cls.layout.row()
         row.label(text="Type: " + ItemData.data["representation_type"], icon="OUTLINER_OB_MESH")
         cls.layout.menu("BIM_MT_add_representation_item", icon="ADD")
-        if not ItemData.data["is_representation_item_active"]:
+        if not AuthoringData.data["is_representation_item_active"]:
             return
         obj = context.active_object
         assert obj

src/bonsai/bonsai/bim/module/root/ui.py

@@ -22,6 +22,7 @@ from bpy.types import Panel
 from bonsai.bim.ifc import IfcStore
 from bonsai.bim.helper import prop_with_search
 from bonsai.bim.module.root.data import IfcClassData
+from bonsai.bim.module.model.data import AuthoringData
 
 
 class BIM_PT_class(Panel):
@@ -72,6 +73,11 @@ class BIM_PT_class(Panel):
                 if IfcClassData.data["can_reassign_class"]:
                     row.operator("bim.enable_reassign_class", icon="GREASEPENCIL", text="")
         else:
+            if not AuthoringData.is_loaded:
+                AuthoringData.load()
+            if AuthoringData.data["is_representation_item_active"]:
+                return
+
             ifc_predefined_types = root_prop.get_ifc_predefined_types(context.scene.BIMRootProperties, context)
             self.draw_class_dropdowns(context, ifc_predefined_types)
             row = self.layout.row(align=True)