Removes the style from all selected objects

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

@@ -1909,7 +1909,7 @@ class RemoveRepresentationItem(bpy.types.Operator, tool.Ifc.Operator):
         bpy.ops.bim.enable_editing_representation_items()
 
 
-def poll_editing_representaiton_item_style(cls, context):
+def poll_editing_representation_item_style(cls, context):
     if not (obj := getattr(context, "active_object", None)):
         return False
     props = obj.BIMGeometryProperties
@@ -1944,7 +1944,7 @@ class EnableEditingRepresentationItemStyle(bpy.types.Operator, tool.Ifc.Operator
 
     @classmethod
     def poll(cls, context):
-        return poll_editing_representaiton_item_style(cls, context)
+        return poll_editing_representation_item_style(cls, context)
 
     def _execute(self, context):
         props = context.active_object.BIMGeometryProperties
@@ -1994,30 +1994,76 @@ class DisableEditingRepresentationItemStyle(bpy.types.Operator, tool.Ifc.Operato
 class UnassignRepresentationItemStyle(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.unassign_representation_item_style"
     bl_label = "Unassign Representation Item Style"
+    bl_description = "Will remove the style from all selected objects"
     bl_options = {"REGISTER", "UNDO"}
 
     @classmethod
     def poll(cls, context):
-        return poll_editing_representaiton_item_style(cls, context)
+        return poll_editing_representation_item_style(cls, context)
 
     def _execute(self, context):
-        obj = context.active_object
-        props = obj.BIMGeometryProperties
-        props.is_editing_item_style = False
+        active_obj = context.active_object
+        active_props = active_obj.BIMGeometryProperties
+        active_props.is_editing_item_style = False
 
-        # get active representation item
-        representation_item_id = props.items[props.active_item_index].ifc_definition_id
-        representation_item = tool.Ifc.get_entity_by_id(representation_item_id)
-        if not representation_item:
-            self.report({"ERROR"}, f"Couldn't find representation item by id {representation_item_id}.")
+        # Get active representation item
+        active_representation_item_id = active_props.items[active_props.active_item_index].ifc_definition_id
+        active_representation_item = tool.Ifc.get_entity_by_id(active_representation_item_id)
+        if not active_representation_item:
+            self.report({"ERROR"}, f"Couldn't find representation item by id {active_representation_item_id}.")
             return {"CANCELLED"}
 
-        tool.Style.assign_style_to_representation_item(representation_item, None)
-        tool.Geometry.reload_representation(obj)
-        # reload items ui
+        # Retrieve styles applied to the active representation item
+        active_styles = set()
+        if hasattr(active_representation_item, 'StyledByItem'):
+            for styled_by_item in active_representation_item.StyledByItem:
+                if hasattr(styled_by_item, 'Styles'):
+                    active_styles.update(styled_by_item.Styles)
+
+        if not active_styles:
+            self.report({"ERROR"}, "Couldn't find any styles associated with the active representation item.")
+            return {"CANCELLED"}
+
+        # Unassign matching styles from the active object itself
+        for style in active_styles:
+            tool.Style.assign_style_to_representation_item(active_representation_item, None)
+            tool.Geometry.reload_representation(active_obj)
+            break  # No need to check further if one matching style is found
+
+        # Iterate over selected objects and unassign matching styles
+        for obj in context.selected_objects:
+            if obj == active_obj:
+                continue  # Skip the active object itself
+
+            # Get the IFC entity directly from the object
+            element = tool.Ifc.get_entity(obj)
+            if not element:
+                continue  # Skip if no IFC entity is found
+
+            representation_item_id = element.Representation.Representations[0].Items[0].id()
+            representation_item = tool.Ifc.get_entity_by_id(representation_item_id)
+
+            if representation_item:
+                # Retrieve styles for the current representation item
+                styles = set()
+                if hasattr(representation_item, 'StyledByItem'):
+                    for styled_by_item in representation_item.StyledByItem:
+                        if hasattr(styled_by_item, 'Styles'):
+                            styles.update(styled_by_item.Styles)
+
+                # Unassign matching styles
+                for style in styles:
+                    if style in active_styles:
+                        tool.Style.assign_style_to_representation_item(representation_item, None)
+                        tool.Geometry.reload_representation(obj)
+                        break  # No need to check further if one matching style is found
+
+        # Reload UI items
         bpy.ops.bim.disable_editing_representation_items()
         bpy.ops.bim.enable_editing_representation_items()
 
+ 
+
 
 class EnableEditingRepresentationItemShapeAspect(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.enable_editing_representation_item_shape_aspect"