Applying multiple opening objects in bulk

Merry Christmas.

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

@@ -415,7 +415,7 @@ class BimToolUI:
         row.label(text="", icon="EVENT_SHIFT")
         row.label(text="", icon="EVENT_O")
 
-        if len(context.selected_objects) == 2:
+        if len(context.selected_objects) > 1:
             row.operator("bim.add_opening", text="Apply Void")
         else:
             row.operator("bim.add_potential_opening", text="Add Void")

src/blenderbim/blenderbim/bim/module/void/operator.py

@@ -34,31 +34,37 @@ class AddOpening(bpy.types.Operator, tool.Ifc.Operator):
 
     @classmethod
     def poll(cls, context):
-        if len(context.selected_objects) != 2:
-            cls.poll_message_set("Select two elements to add an opening")
+        if len(context.selected_objects) < 2:
+            cls.poll_message_set("Select openings and a target element")
         return True
 
     def _execute(self, context):
         props = context.scene.BIMModelProperties
-        if len(context.selected_objects) != 2:
-            return {"FINISHED"}
+        selected_objects = context.selected_objects
+        target_object = selected_objects[0] 
 
-        # The convention is that element1 is the element and element2 is the opening.
-        obj1, obj2 = context.selected_objects
-        element1 = tool.Ifc.get_entity(obj1)
-        element2 = tool.Ifc.get_entity(obj2)
+
+        opening_objects = [obj for obj in selected_objects if obj != target_object]
+
+
+        for opening_obj in opening_objects:
+            element1 = tool.Ifc.get_entity(target_object)
+            obj1 = target_object
+            element2 = tool.Ifc.get_entity(opening_obj)
+            obj2 = opening_obj
 
             if not element1 and not element2:
                 return {"FINISHED"}  # Both are not IFC objects.
 
             if element1 and element2:
                 if element1.is_a("IfcOpeningElement") and element2.is_a("IfcOpeningElement"):
-                return {"FINISHED"}  # You can't add an opening to another opening.
+                    self.report({'INFO'}, "You can't add an opening to another opening.")
+                    continue
                 elif not element1.is_a("IfcOpeningElement") and not element2.is_a("IfcOpeningElement"):
                     if element1.is_a("IfcWindow") or element1.is_a("IfcDoor"):  # Add a fill to an element.
                         obj1, obj2 = obj2, obj1
                     FilledOpeningGenerator().generate(obj2, obj1, target=obj2.matrix_world.translation)
-                return {"FINISHED"}
+                    continue
                 elif element1.is_a("IfcOpeningElement") or element2.is_a("IfcOpeningElement"):
                     if element1.is_a("IfcOpeningElement"):  # Reassign an opening to another element.
                         obj1, obj2 = obj2, obj1
@@ -69,7 +75,8 @@ class AddOpening(bpy.types.Operator, tool.Ifc.Operator):
                 element1, element2 = element2, element1
 
             if element1.is_a("IfcOpeningElement"):
-            return {"FINISHED"}  # You can't add an opening to another opening.
+                self.report({'INFO'}, "You can't add an opening to another opening.")
+                continue
 
             if tool.Ifc.is_moved(obj1):
                 blenderbim.core.geometry.edit_object_placement(tool.Ifc, tool.Geometry, tool.Surveyor, obj=obj1)