Editing voids or dumb walls now auto enable dynamic voids, so openings work well with them.

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

@@ -1,6 +1,8 @@
 import bpy
 import bmesh
 import blenderbim.bim.handler
+import ifcopenshell
+import ifcopenshell.util.representation
 from blenderbim.bim.ifc import IfcStore
 from math import pi
 from bpy.types import Operator
@@ -13,7 +15,7 @@ def element_listener(element, obj):
 
 
 def mode_callback(obj, data):
-    for obj in bpy.context.selected_objects + [bpy.context.active_object]:
+    for obj in set(bpy.context.selected_objects + [bpy.context.active_object]):
         if (
             obj.mode != "EDIT"
             or not obj.data
@@ -25,6 +27,24 @@ def mode_callback(obj, data):
         product = IfcStore.get_file().by_id(obj.BIMObjectProperties.ifc_definition_id)
         if not product.is_a("IfcOpeningElement"):
             return
+        for rel in product.VoidsElements:
+            building_element_obj = IfcStore.get_element(rel.RelatingBuildingElement.id())
+            if not building_element_obj:
+                continue
+            if [m for m in building_element_obj.modifiers if m.type == "BOOLEAN"]:
+                continue
+            representation = ifcopenshell.util.representation.get_representation(
+                rel.RelatingBuildingElement, "Model", "Body", "MODEL_VIEW"
+            )
+            if not representation:
+                continue
+            bpy.ops.bim.switch_representation(
+                obj=building_element_obj.name,
+                should_switch_all_meshes=True,
+                should_reload=True,
+                ifc_definition_id=representation.id(),
+                disable_opening_subtractions=True,
+            )
         IfcStore.edited_objs.add(obj)
         bm = bmesh.from_edit_mesh(obj.data)
         bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)

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

@@ -20,7 +20,7 @@ def element_listener(element, obj):
 
 
 def mode_callback(obj, data):
-    for obj in bpy.context.selected_objects + [bpy.context.active_object]:
+    for obj in set(bpy.context.selected_objects + [bpy.context.active_object]):
         if (
             obj.mode != "EDIT"
             or not obj.data
@@ -33,7 +33,28 @@ def mode_callback(obj, data):
         parametric = ifcopenshell.util.element.get_psets(product).get("EPset_Parametric")
         if not parametric or parametric["Engine"] != "BlenderBIM.DumbWall":
             return
+        if product.HasOpenings:
+            if [m for m in obj.modifiers if m.type == "BOOLEAN"]:
+                continue
+            representation = ifcopenshell.util.representation.get_representation(
+                product, "Model", "Body", "MODEL_VIEW"
+            )
+            if not representation:
+                continue
+            bpy.ops.object.mode_set(mode='OBJECT')
+            bpy.ops.bim.switch_representation(
+                obj=obj.name,
+                should_switch_all_meshes=True,
+                should_reload=True,
+                ifc_definition_id=representation.id(),
+                disable_opening_subtractions=True,
+            )
+            bpy.ops.object.mode_set(mode='EDIT')
         IfcStore.edited_objs.add(obj)
+        bm = bmesh.from_edit_mesh(obj.data)
+        bmesh.ops.dissolve_limit(bm, angle_limit=pi / 180 * 1, verts=bm.verts, edges=bm.edges)
+        bmesh.update_edit_mesh(obj.data)
+        bm.free()
 
 
 class AddWallOpening(bpy.types.Operator):

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

@@ -37,6 +37,7 @@ class BimTool(WorkSpaceTool):
         row.prop(props, "relating_type", text="")
 
         row.label(text="", icon="BLANK1")
+
         row = layout.row(align=True)
         row.label(text="", icon="EVENT_SHIFT")
         row.label(text="Add Type Instance", icon="EVENT_A")
@@ -54,8 +55,6 @@ class BimTool(WorkSpaceTool):
             row.label(text="", icon="EVENT_SHIFT")
             row.label(text="Mitre", icon="EVENT_Y")
 
-
-
             row = layout.row(align=True)
             row.label(text="Wall Tools")
             row = layout.row(align=True)
@@ -86,11 +85,11 @@ class BimTool(WorkSpaceTool):
         row.label(text="Align Interior", icon="EVENT_V")
         row = layout.row(align=True)
 
-
         row = layout.row(align=True)
         row.label(text="", icon="EVENT_ALT")
         row.label(text="Opening", icon="EVENT_O")
 
+
 class Hotkey(bpy.types.Operator):
     bl_idname = "bim.hotkey"
     bl_label = "Hotkey"