Fix #6033. Add tools for generate slab from wall and vice versa in the toolbox. Still needs a nice icon.

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

@@ -164,7 +164,8 @@ class RepresentationsData:
         if not obj.data:
             return []
         element = tool.Ifc.get_entity(obj)
-        active_representation_id = obj.data.BIMMeshProperties.ifc_definition_id
+        if not (active_representation_id := obj.data.BIMMeshProperties.ifc_definition_id):
+            return []  # Maybe in profile editing mode
         base_representation = tool.Ifc.get().by_id(active_representation_id)
 
         # shape aspects matching context of the active representation

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

@@ -66,6 +66,7 @@ class AuthoringData:
         cls.data["relating_type_id_current"] = cls.relating_type_id_current()
         cls.data["relating_type_name"] = cls.relating_type_name()
         cls.data["relating_type_description"] = cls.relating_type_description()
+        cls.data["relating_type_material_usage"] = cls.relating_type_material_usage()
         cls.data["predefined_type"] = cls.predefined_type()
         # Make sure .type_elements_filtered() was run before next lines
         cls.data["total_types"] = cls.total_types()
@@ -231,17 +232,13 @@ class AuthoringData:
 
     @classmethod
     def active_class(cls):
-        if active_object := tool.Blender.get_active_object():
+        if (obj := tool.Blender.get_active_object()) and (element := tool.Ifc.get_entity(obj)):
-            element = tool.Ifc.get_entity(active_object)
+            return element.is_a()
-            if element:
-                return element.is_a()
 
     @classmethod
     def active_material_usage(cls):
-        if active_object := tool.Blender.get_active_object():
+        if (obj := tool.Blender.get_active_object()) and (element := tool.Ifc.get_entity(obj)):
-            element = tool.Ifc.get_entity(active_object)
+            return tool.Model.get_usage_type(element)
-            if element:
-                return tool.Model.get_usage_type(element)
 
     @classmethod
     def is_representation_item_active(cls) -> bool:
@@ -315,6 +312,11 @@ class AuthoringData:
         if relating_type_id := cls.data["relating_type_id_current"]:
             return tool.Ifc.get().by_id(int(relating_type_id)).Description or "No description"
 
+    @classmethod
+    def relating_type_material_usage(cls):
+        if relating_type_id := cls.data["relating_type_id_current"]:
+            return tool.Model.get_usage_type(tool.Ifc.get().by_id(int(relating_type_id)))
+
     @classmethod
     def predefined_type(cls):
         relating_type_id = tool.Blender.get_enum_safe(cls.props, "relating_type_id")

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

@@ -723,11 +723,29 @@ class EditObjectUI:
             )
             row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
             add_layout_hotkey_operator(row, "Rotate 90", "S_R", "Rotate the selected Element by 90 degrees", ui_context)
+            if AuthoringData.data["relating_type_material_usage"] == "LAYER3":
+                row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
+                add_layout_hotkey_operator(
+                    row,
+                    "Add From Closed Loop",
+                    "S_A",
+                    "Generate an element from selected closed walls",
+                    ui_context,
+                )
 
         elif AuthoringData.data["active_material_usage"] == "LAYER3":
             if "LAYER2" in AuthoringData.data["selected_material_usages"]:
                 row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
                 add_layout_hotkey_operator(cls.layout, "Extend Wall To Slab", "S_E", "", ui_context)
+            if AuthoringData.data["relating_type_material_usage"] == "LAYER2":
+                row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row
+                add_layout_hotkey_operator(
+                    row,
+                    "Add From Perimeter",
+                    "S_A",
+                    "Generate elements along the perimeter of the selected element",
+                    ui_context,
+                )
 
         elif AuthoringData.data["active_material_usage"] == "PROFILE":
             row = cls.layout.row(align=True) if ui_context != "TOOL_HEADER" else row