Fix #6013. Fix bug where Blender object names weren't updated when using copy attributes.

src/bonsai/bonsai/bim/module/attribute/operator.py

@@ -141,11 +141,7 @@ class EditAttributes(bpy.types.Operator, tool.Ifc.Operator):
         attributes = bonsai.bim.helper.export_attributes(props.attributes, callback=callback)
         ifcopenshell.api.run("attribute.edit_attributes", self.file, product=product, attributes=attributes)
 
-        # Ensure Blender doesn't reindex objects if it's not necessary.
+        tool.Root.set_object_name(obj, product)
-        # Can't rely on obj.name to detect changed name as it may have Blender indices.
-        if tool.Loader.get_name(product) != object_name:
-            tool.Root.set_object_name(obj, product)
-
         bpy.ops.bim.disable_editing_attributes(obj=obj.name)
 
     def _execute(self, context):
@@ -208,7 +204,7 @@ class CopyAttributeToSelection(bpy.types.Operator, tool.Ifc.Operator):
         value = context.active_object.BIMAttributeProperties.attributes.get(self.name).get_value()
         i = 0
         for obj in tool.Blender.get_selected_objects():
-            success = core.copy_attribute_to_selection(tool.Ifc, name=self.name, value=value, obj=obj)
+            success = core.copy_attribute_to_selection(tool.Ifc, tool.Root, name=self.name, value=value, obj=obj)
             if success:
                 i += 1
         self.report({"INFO"}, f"Attribute was successfully copied to {i} elements.")

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

@@ -25,9 +25,7 @@ from typing import Any
 
 
 def sync_name(usecase_path: str, ifc_file: ifcopenshell.file, settings: dict[str, Any]) -> None:
-    if usecase_path == "attribute.edit_attributes":
+    if usecase_path == "style.edit_presentation_style":
-        element = settings["product"]
-    elif usecase_path == "style.edit_presentation_style":
         element = settings["style"]
     else:
         raise Exception(f"Unsupported usecase: '{usecase_path}'.")

src/bonsai/bonsai/core/attribute.py

@@ -25,11 +25,12 @@ if TYPE_CHECKING:
     import bonsai.tool as tool
 
 
-def copy_attribute_to_selection(ifc: tool.Ifc, name: str, value: Union[str, None], obj: bpy.types.Object) -> bool:
+def copy_attribute_to_selection(ifc: tool.Ifc, root: tool.Root, name: str, value: Union[str, None], obj: bpy.types.Object) -> bool:
-    element = ifc.get_entity(obj)
+    if element := ifc.get_entity(obj):
-    if element:
         try:
             ifc.run("attribute.edit_attributes", product=element, attributes={name: value})
+            if name in ("Name", "AxisTag"):
+                root.set_object_name(obj, element)
             return True
         except:
             pass

src/bonsai/bonsai/tool/root.py

@@ -397,10 +397,10 @@ class Root(bonsai.core.tool.Root):
 
     @classmethod
     def set_object_name(cls, obj: bpy.types.Object, element: ifcopenshell.entity_instance) -> None:
-        # This disables the Blender name event handler
+        name = tool.Loader.get_name(element)
-        obj.BIMObjectProperties.is_renaming = True
+        if obj.name != name:
-        obj.name = tool.Loader.get_name(element)
+            obj.BIMObjectProperties.is_renaming = True
-        obj.BIMObjectProperties.is_renaming = False
+            obj.name = name  # The handler will trigger, and reset is_renaming to False
 
     @classmethod
     def unlink_object(cls, obj: bpy.types.Object) -> None: