From 8cfb162851888202d03b3812552d4f306cedc3cb Mon Sep 17 00:00:00 2001
From: Dion Moult <dion@thinkmoult.com>
Date: Mon, 16 Feb 2026 17:57:03 +1100
Subject: [PATCH] Fix #7656. Regression in text editing where leaders were
 accidentally removed. Added tests.

---
 src/bonsai/bonsai/tool/drawing.py    |  6 ++++--
 src/bonsai/test/tool/test_drawing.py | 30 ++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/src/bonsai/bonsai/tool/drawing.py b/src/bonsai/bonsai/tool/drawing.py
index a7238c75dc..864568c835 100644
--- a/src/bonsai/bonsai/tool/drawing.py
+++ b/src/bonsai/bonsai/tool/drawing.py
@@ -857,9 +857,11 @@ class Drawing(bonsai.core.tool.Drawing):
     def edit_text_literals(cls, obj: bpy.types.Object, literal_attributes: dict) -> None:
         assert (element := tool.Ifc.get_entity(obj))
         assert (rep := cls.get_annotation_representation(element))
-        for literal in cls.get_text_literal(obj, return_list=True):
+        to_remove = [i for i in rep.Items if i.is_a("IfcTextLiteral")]
+        new_literals = [cls.add_literal(**a) for a in literal_attributes]
+        rep.Items = [i for i in rep.Items if not i.is_a("IfcTextLiteral")] + new_literals
+        for literal in to_remove:
             ifcopenshell.util.element.remove_deep2(tool.Ifc.get(), literal)
-        rep.Items = [cls.add_literal(**a) for a in literal_attributes]
 
     @classmethod
     def add_literal(cls, **attributes: str) -> ifcopenshell.entity_instance:
diff --git a/src/bonsai/test/tool/test_drawing.py b/src/bonsai/test/tool/test_drawing.py
index f7beb94358..532186d7ff 100644
--- a/src/bonsai/test/tool/test_drawing.py
+++ b/src/bonsai/test/tool/test_drawing.py
@@ -21,6 +21,7 @@ import xml.etree.ElementTree as ET
 from pathlib import Path
 
 import bpy
+import pytest
 import ifcopenshell
 import ifcopenshell.api.drawing
 import ifcopenshell.api.group
@@ -31,6 +32,7 @@ import ifcopenshell.util.element
 import mathutils
 import numpy as np
 from mathutils import Vector
+from ifcopenshell.util.shape_builder import ShapeBuilder
 
 import bonsai.core.tool
 import bonsai.tool as tool
@@ -150,6 +152,34 @@ class TestDisableEditingSheets(NewFile):
         assert props.is_editing_sheets == False
 
 
+class TestEditTextLiterals(NewFile):
+    def test_run(self):
+        ifc = ifcopenshell.file()
+        tool.Ifc.set(ifc)
+        obj = bpy.data.objects.new("Object", None)
+        element = ifc.createIfcAnnotation()
+        element.Representation = ifc.createIfcProductDefinitionShape()
+        context = ifc.createIfcGeometricRepresentationSubContext(ContextType="Plan", ContextIdentifier="Annotation")
+        item = ifc.createIfcTextLiteralWithExtent(Literal="Literal", Path="RIGHT", BoxAlignment="bottom-left")
+        builder = ShapeBuilder(tool.Ifc.get())
+        polyline = builder.polyline([(0.,0.,0.), (1.,0.,0.)])
+        representation = ifc.createIfcShapeRepresentation(ContextOfItems=context, Items=[item, polyline])
+        element.Representation.Representations = [representation]
+        tool.Ifc.link(element, obj)
+        literal_attributes = [
+            {
+                "Literal": "Foo",
+                "Path": "RIGHT",
+                "BoxAlignment": "bottom-left",
+            }
+        ]
+        subject.edit_text_literals(obj, literal_attributes)
+        assert len(ifc.by_type("IfcTextLiteralWithExtent")) == 1
+        literal = ifc.by_type("IfcTextLiteralWithExtent")[0]
+        assert literal in representation.Items
+        assert literal.Literal == "Foo"
+
+
 class TestDisableEditingText(NewFile):
     def test_run(self):
         obj = bpy.data.objects.new("Object", None)