Add a warning if not all project elements were loaded #5536

Example - https://i.imgur.com/Tu3OOIm.png

src/bonsai/bonsai/bim/import_ifc.py

@@ -186,6 +186,9 @@ class MaterialCreator:
         return items
 
 
+IMPORTER_WARNINGS: list[str] = []
+
+
 class IfcImporter:
     def __init__(self, ifc_import_settings: IfcImportSettings):
         self.ifc_import_settings = ifc_import_settings
@@ -315,7 +318,13 @@ class IfcImporter:
         self.annotations -= drawing_annotations
 
         self.elements = [e for e in self.elements if not e.is_a("IfcFeatureElement") or e.is_a("IfcSurfaceFeature")]
+        n = len(self.elements)
         self.elements = set(self.elements[offset:offset_limit])
+        if n > len(self.elements):
+            IMPORTER_WARNINGS.append(
+                f"Not all elements were loaded. Only loaded {(len(self.elements))} of {n} elements (element range: {offset}-{offset_limit}). "
+                "You can change element range by loading project in advanced mode."
+            )
 
         if self.ifc_import_settings.has_filter or offset or offset_limit < len(self.elements):
             self.element_types = set([ifcopenshell.util.element.get_type(e) for e in self.elements])

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

@@ -774,6 +774,12 @@ class LoadProject(bpy.types.Operator, IFCFileSelector):
 
             if not self.is_advanced:
                 bpy.ops.bim.load_project_elements()
+                if warnings := import_ifc.IMPORTER_WARNINGS:
+                    print("\n\nLoading project finished with warnings:")
+                    for warning in warnings:
+                        print(f"- {warning}")
+                    self.report({"WARNING"}, "Project was loaded with warnings. See system console for details.")
+                    warnings.clear()
                 if self.import_without_ifc_data:
                     bpy.ops.bim.convert_to_blender()
         except: