Fixing confusing UI #3357

It was showing "Edit Profile" when you have slab and wall selected when it will actually extend the wall to the slab.

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

@@ -67,6 +67,7 @@ class AuthoringData:
         cls.data["active_material_usage"] = cls.active_material_usage()
         cls.data["active_representation_type"] = cls.active_representation_type()
         cls.data["boundary_class"] = cls.boundary_class()
+        cls.data["selected_material_usages"] = cls.selected_material_usages()
 
     @classmethod
     def boundary_class(cls):
@@ -238,6 +239,23 @@ class AuthoringData:
             return [(str(e.id()), e.Name or "Unnamed", e.Description or "") for e in results]
         return []
 
+    @classmethod
+    def selected_material_usages(cls):
+        selected_usages = {}
+        for obj in bpy.context.selected_objects:
+            element = tool.Ifc.get_entity(obj)
+            if not element:
+                continue
+            usage = tool.Model.get_usage_type(element)
+            if not usage:
+                representation = tool.Geometry.get_active_representation(obj)
+                if representation and representation.RepresentationType == "SweptSolid":
+                    usage = "SWEPTSOLID"
+                else:
+                    continue
+            selected_usages.setdefault(usage, []).append(obj)
+        return selected_usages
+
 
 class ArrayData:
     data = {}

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

@@ -176,7 +176,11 @@ class BimToolUI:
             row.operator("bim.join_wall", icon="X", text="").join_type = ""
 
         elif AuthoringData.data["active_material_usage"] == "LAYER3":
-            add_layout_hotkey_operator(cls.layout, "Edit Profile", "S_E", "")
+
+            if len(context.selected_objects) == 1:
+                add_layout_hotkey_operator(cls.layout, "Edit Profile", "S_E", "")
+            elif "LAYER2" in AuthoringData.data["selected_material_usages"]:
+                add_layout_hotkey_operator(cls.layout, "Extend Wall To Slab", "S_E", "")
 
             row = cls.layout.row(align=True)
             row.prop(data=cls.props, property="x_angle", text="X Angle")