From 19b9a55404ecfa7ba0712809fa2e9948846a2e4c Mon Sep 17 00:00:00 2001
From: falken10vdl <falken10vdl@gmail.com>
Date: Sat, 22 Nov 2025 20:12:49 +0100
Subject: [PATCH] Add posibility to edit classification system name in menu
 after invoking enable_editing_classification_reference

---
 .../bonsai/bim/module/classification/operator.py       | 10 ++++++++--
 src/bonsai/bonsai/bim/module/classification/prop.py    |  1 +
 src/bonsai/bonsai/bim/module/classification/ui.py      |  3 +++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/bonsai/bonsai/bim/module/classification/operator.py b/src/bonsai/bonsai/bim/module/classification/operator.py
index 600b86a3d5..a6fd0c6df5 100644
--- a/src/bonsai/bonsai/bim/module/classification/operator.py
+++ b/src/bonsai/bonsai/bim/module/classification/operator.py
@@ -257,7 +257,9 @@ class EnableEditingClassificationReference(bpy.types.Operator):
     def execute(self, context):
         props = tool.Classification.get_classification_reference_props()
         props.reference_attributes.clear()
-        bonsai.bim.helper.import_attributes(tool.Ifc.get().by_id(self.reference), props.reference_attributes)
+        ifc_reference = tool.Ifc.get().by_id(self.reference)
+        bonsai.bim.helper.import_attributes(ifc_reference, props.reference_attributes)
+        props.classification_system_name = ifc_reference.ReferencedSource.Name or ""
         props.active_reference_id = self.reference
         return {"FINISHED"}
 
@@ -324,9 +326,13 @@ class EditClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
         props = tool.Classification.get_classification_reference_props()
         attributes = bonsai.bim.helper.export_attributes(props.reference_attributes)
         ifc_file = tool.Ifc.get()
+        reference_entity = ifc_file.by_id(props.active_reference_id)
+        referenced_source = reference_entity.ReferencedSource
+        if props.classification_system_name:
+            referenced_source.Name = props.classification_system_name
         ifcopenshell.api.classification.edit_reference(
             ifc_file,
-            reference=ifc_file.by_id(props.active_reference_id),
+            reference=reference_entity,
             attributes=attributes,
         )
         bpy.ops.bim.disable_editing_classification_reference()
diff --git a/src/bonsai/bonsai/bim/module/classification/prop.py b/src/bonsai/bonsai/bim/module/classification/prop.py
index d85e4e8c4e..4e2de0119d 100644
--- a/src/bonsai/bonsai/bim/module/classification/prop.py
+++ b/src/bonsai/bonsai/bim/module/classification/prop.py
@@ -95,6 +95,7 @@ class BIMClassificationReferenceProperties(PropertyGroup):
     classifications: EnumProperty(items=get_classifications, name="Classifications")
     reference_attributes: CollectionProperty(name="Reference Attributes", type=Attribute)
     active_reference_id: IntProperty(name="Active Reference Id")
+    classification_system_name: StringProperty(name="Classification System Name")
 
     if TYPE_CHECKING:
         is_adding: bool
diff --git a/src/bonsai/bonsai/bim/module/classification/ui.py b/src/bonsai/bonsai/bim/module/classification/ui.py
index 51ef3dd303..077f97553f 100644
--- a/src/bonsai/bonsai/bim/module/classification/ui.py
+++ b/src/bonsai/bonsai/bim/module/classification/ui.py
@@ -258,6 +258,9 @@ class ReferenceUI:
         row = self.layout.row(align=True)
         row.operator("bim.edit_classification_reference", text="Save changes", icon="CHECKMARK")
         row.operator("bim.disable_editing_classification_reference", text="", icon="CANCEL")
+        row = self.layout.row()
+        row.prop(self.props, "classification_system_name", text="Classification System Name")
+
         bonsai.bim.helper.draw_attributes(self.props.reference_attributes, self.layout)
 
     def draw_reference_ui(self, reference: dict[str, Any]) -> None: