Consolidate adding alignments into Add Element interface

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

@@ -82,6 +82,8 @@ class IfcClassData:
             feature_elements = ifcopenshell.util.schema.get_subtypes(entity)
             for feature_element in feature_elements:
                 names.remove(feature_element.name())
+        if ifc_product == "IfcAlignment":
+            names.extend(("IfcAlignmentHorizontal", "IfcAlignmentHorizontal", "IfcAlignmentCant"))
         version = tool.Ifc.get_schema()
         return [(c, c, (get_entity_doc(version, c) or {}).get("description", "")) for c in sorted(names)]
 
@@ -136,7 +138,9 @@ class IfcClassData:
             ("EMPTY", "No Geometry", "Start with an empty object"),
         ]
 
-        if ifc_class in ("IfcWindowType", "IfcWindowStyle", "IfcWindow"):
+        if ifc_class == "IfcAlignment":
+            return templates
+        elif ifc_class in ("IfcWindowType", "IfcWindowStyle", "IfcWindow"):
             templates.extend([None, ("WINDOW", "Window", "Parametric window")])
         elif ifc_class in ("IfcDoorType", "IfcDoorStyle", "IfcDoor"):
             templates.extend([None, ("DOOR", "Door", "Parametric door")])

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

@@ -531,6 +531,9 @@ class AddElement(bpy.types.Operator, tool.Ifc.Operator):
         if props.ifc_product == "IfcFeatureElement" and not props.featured_obj:
             return self.report({"WARNING"}, "A featured element must be nominated.")
 
+        if "Alignment" in props.ifc_product and props.ifc_product != "IfcAlignment" and not props.featured_obj:
+            return self.report({"WARNING"}, "A parent alignment element must be nominated.")
+
         ifc_context = None
         if get_enum_items(props, "contexts", context):
             ifc_context = int(props.contexts or "0") or None
@@ -821,6 +824,13 @@ class AddElement(bpy.types.Operator, tool.Ifc.Operator):
             tool.Model.purge_scene_openings()
             tool.Collector.assign(obj)
 
+        if props.featured_obj:
+            alignment = tool.Ifc.get_entity(props.featured_obj)
+            if props.ifc_class == "IfcAlignment":
+                ifcopenshell.api.aggregate.assign_object(tool.Ifc.get(), products=[element], relating_object=alignment)
+            elif props.ifc_class in ("IfcAlignmentHorizontal", "IfcAlignmentVertical", "IfcAlignmentCant"):
+                ifcopenshell.api.nest.assign_object(tool.Ifc.get(), related_objects=[element], relating_object=alignment)
+
         bonsai.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj)
         tool.Blender.set_active_object(obj)
 
@@ -842,7 +852,7 @@ class AddElement(bpy.types.Operator, tool.Ifc.Operator):
             if props.ifc_predefined_type == "USERDEFINED":
                 row = self.layout.row()
                 row.prop(props, "ifc_userdefined_type")
-        if props.ifc_product == "IfcFeatureElement":
+        if props.ifc_product in ("IfcFeatureElement", "IfcAlignment"):
             row = self.layout.row()
             row.prop(props, "featured_obj", text="Featured Object")
         prop_with_search(self.layout, props, "representation_template", text="Representation", should_click_ok=True)

src/bonsai/bonsai/tool/root.py

@@ -474,10 +474,10 @@ class Root(bonsai.core.tool.Root):
             obj.name = obj.name.split("/", 1)[1]
 
     @classmethod
-    def get_ifc_products(cls) -> tuple[str, ...]:
+    def get_ifc_products(cls) -> list[str]:
         version = tool.Ifc.get_schema()
         if version == "IFC2X3":
-            products = (
+            return [
                 "IfcElementType",
                 "IfcElement",
                 "IfcFeatureElement",
@@ -485,16 +485,17 @@ class Root(bonsai.core.tool.Root):
                 "IfcStructuralItem",
                 "IfcAnnotation",
                 "IfcRelSpaceBoundary",
-            )
-        else:
-            products = (
-                "IfcElementType",
-                "IfcElement",
-                "IfcFeatureElement",
-                "IfcSpatialElement",
-                "IfcSpatialElementType",
-                "IfcStructuralItem",
-                "IfcAnnotation",
-                "IfcRelSpaceBoundary",
-            )
+            ]
+        products = [
+            "IfcElementType",
+            "IfcElement",
+            "IfcFeatureElement",
+            "IfcSpatialElement",
+            "IfcSpatialElementType",
+            "IfcStructuralItem",
+            "IfcAnnotation",
+            "IfcRelSpaceBoundary",
+        ]
+        if version != "IFC4":
+            products.append("IfcAlignment")
         return products