WIP refactor representation editing into geometry module. See #1222. Some new functionality as a result:

- Representations can now be added to any context, even invalid ones, non-subcontext, or missing target views
 - Switching representations now change all linked data objects

src/ifcblenderexport/blenderbim/bim/module/context/data.py

@@ -1,6 +1,5 @@
-import blenderbim.bim.ifc
+from blenderbim.bim.ifc import IfcStore
 
-is_loaded = False
 
 class Data:
     is_loaded = False
@@ -8,7 +7,7 @@ class Data:
 
     @classmethod
     def load(cls):
-        file = blenderbim.bim.ifc.IfcStore.get_file()
+        file = IfcStore.get_file()
         if not file:
             return
         cls.contexts = {}

src/ifcblenderexport/blenderbim/bim/module/context/operator.py

@@ -1,22 +1,25 @@
 import bpy
-import blenderbim.bim.ifc
 import blenderbim.bim.module.context.add_context as add_context
 import blenderbim.bim.module.context.remove_context as remove_context
+from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.context.data import Data
 
+
 class AddSubcontext(bpy.types.Operator):
     bl_idname = "bim.add_subcontext"
     bl_label = "Add Subcontext"
 
     def execute(self, context):
-        self.file = blenderbim.bim.ifc.IfcStore.get_file()
-        usecase = add_context.Usecase(self.file, {
-            "context": bpy.context.scene.BIMProperties.available_contexts,
-            "subcontext": bpy.context.scene.BIMProperties.available_subcontexts,
-            "target_view": bpy.context.scene.BIMProperties.available_target_views,
-        })
+        self.file = IfcStore.get_file()
+        usecase = add_context.Usecase(
+            self.file,
+            {
+                "context": bpy.context.scene.BIMProperties.available_contexts,
+                "subcontext": bpy.context.scene.BIMProperties.available_subcontexts,
+                "target_view": bpy.context.scene.BIMProperties.available_target_views,
+            },
+        )
         result = usecase.execute()
-
         Data.load()
         return {"FINISHED"}
 
@@ -27,11 +30,8 @@ class RemoveSubcontext(bpy.types.Operator):
     ifc_definition_id: bpy.props.IntProperty()
 
     def execute(self, context):
-        self.file = blenderbim.bim.ifc.IfcStore.get_file()
-        usecase = remove_context.Usecase(self.file, {
-            "context": self.file.by_id(self.ifc_definition_id)
-        })
+        self.file = IfcStore.get_file()
+        usecase = remove_context.Usecase(self.file, {"context": self.file.by_id(self.ifc_definition_id)})
         usecase.execute()
-
         Data.load()
         return {"FINISHED"}