Add support for manual classification references for materials

src/blenderbim/blenderbim/bim/module/classification/__init__.py

@@ -54,11 +54,11 @@ classes = (
 
 def register():
     bpy.types.Scene.BIMClassificationProperties = bpy.props.PointerProperty(type=prop.BIMClassificationProperties)
-    bpy.types.Object.BIMClassificationReferenceProperties = bpy.props.PointerProperty(
+    bpy.types.Scene.BIMClassificationReferenceProperties = bpy.props.PointerProperty(
         type=prop.BIMClassificationReferenceProperties
     )
 
 
 def unregister():
     del bpy.types.Scene.BIMClassificationProperties
-    del bpy.types.Object.BIMClassificationReferenceProperties
+    del bpy.types.Scene.BIMClassificationReferenceProperties

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

@@ -88,7 +88,7 @@ class ClassificationReferencesData(ReferencesData):
         cls.data["references"] = cls.references()
         cls.data["active_classification_library"] = cls.active_classification_library()
         cls.data["classifications"] = cls.classifications()
-        cls.data["object_type"] = "OBJECT"
+        cls.data["object_type"] = "Object"
 
     @classmethod
     def references(cls):
@@ -112,7 +112,7 @@ class MaterialClassificationsData(ReferencesData):
         cls.data["references"] = cls.references()
         cls.data["active_classification_library"] = cls.active_classification_library()
         cls.data["classifications"] = cls.classifications()
-        cls.data["object_type"] = "MATERIAL"
+        cls.data["object_type"] = "Material"
 
     @classmethod
     def references(cls):
@@ -140,7 +140,7 @@ class CostClassificationsData(ReferencesData):
         cls.data["references"] = cls.references()
         cls.data["active_classification_library"] = cls.active_classification_library()
         cls.data["classifications"] = cls.classifications()
-        cls.data["object_type"] = "COST"
+        cls.data["object_type"] = "Cost"
 
     @classmethod
     def references(cls):

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

@@ -77,26 +77,37 @@ class AddManualClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.add_manual_classification_reference"
     bl_label = "Add Manual Classification Reference"
     bl_options = {"REGISTER", "UNDO"}
+    obj: bpy.props.StringProperty()
     obj_type: bpy.props.StringProperty()
 
     def _execute(self, context):
-        obj = context.active_object
+        if self.obj_type == "Object":
-        props = obj.BIMClassificationReferenceProperties
+            if context.selected_objects:
+                objects = [o.name for o in context.selected_objects]
+            else:
+                objects = [context.active_object.name]
+        else:
+            objects = [self.obj]
+        props = context.scene.BIMClassificationReferenceProperties
         attributes = blenderbim.bim.helper.export_attributes(props.reference_attributes)
-        product = tool.Ifc.get_entity(obj)
+        products = [
-        # TODO: refactor and support material and cost item classifications
+            tool.Ifc.get().by_id(ifc_definition_id)
-        classification = tool.Ifc.get().by_id(int(props.classifications))
+            for obj in objects
-        reference = ifcopenshell.api.run(
+            if (ifc_definition_id := tool.Blender.get_obj_ifc_definition_id(obj, self.obj_type, context))
-            "classification.add_reference",
+        ]
-            tool.Ifc.get(),
+        if products:
-            products=[product],
+            classification = tool.Ifc.get().by_id(int(props.classifications))
-            classification=classification,
+            reference = ifcopenshell.api.run(
-            identification="X",
+                "classification.add_reference",
-            name="Unnamed",
+                tool.Ifc.get(),
-        )
+                products=products,
-        ifcopenshell.api.run(
+                classification=classification,
-            "classification.edit_reference", tool.Ifc.get(), reference=reference, attributes=attributes
+                identification="X",
-        )
+                name="Unnamed",
+            )
+            ifcopenshell.api.run(
+                "classification.edit_reference", tool.Ifc.get(), reference=reference, attributes=attributes
+            )
         props.is_adding = False
 
 
@@ -150,8 +161,7 @@ class EnableAddingManualClassificationReference(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = context.active_object
+        props = context.scene.BIMClassificationReferenceProperties
-        props = obj.BIMClassificationReferenceProperties
         props.is_adding = True
         props.reference_attributes.clear()
         blenderbim.bim.helper.import_attributes2("IfcClassificationReference", props.reference_attributes)
@@ -164,8 +174,7 @@ class DisableAddingManualClassificationReference(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = context.active_object
+        props = context.scene.BIMClassificationReferenceProperties
-        props = obj.BIMClassificationReferenceProperties
         props.is_adding = False
         return {"FINISHED"}
 
@@ -257,8 +266,7 @@ class EnableEditingClassificationReference(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
+        props = context.scene.BIMClassificationReferenceProperties
-        props = obj.BIMClassificationReferenceProperties
         props.reference_attributes.clear()
         blenderbim.bim.helper.import_attributes2(tool.Ifc.get().by_id(self.reference), props.reference_attributes)
         props.active_reference_id = self.reference
@@ -272,8 +280,7 @@ class DisableEditingClassificationReference(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
+        context.scene.BIMClassificationReferenceProperties.active_reference_id = 0
-        obj.BIMClassificationReferenceProperties.active_reference_id = 0
         return {"FINISHED"}
 
 
@@ -326,8 +333,7 @@ class EditClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
     obj: bpy.props.StringProperty()
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
+        props = context.scene.BIMClassificationReferenceProperties
-        props = obj.BIMClassificationReferenceProperties
         attributes = {}
         for attribute in props.reference_attributes:
             if attribute.is_null:
@@ -368,9 +374,8 @@ class AddClassificationReference(bpy.types.Operator, tool.Ifc.Operator):
                 classification = element
                 break
 
-        ifc_file = tool.Ifc.get()
         products = [
-            ifc_file.by_id(ifc_definition_id)
+            tool.Ifc.get().by_id(ifc_definition_id)
             for obj in objects
             if (ifc_definition_id := tool.Blender.get_obj_ifc_definition_id(obj, self.obj_type, context))
         ]

src/blenderbim/blenderbim/bim/module/classification/ui.py

@@ -120,7 +120,7 @@ class ReferenceUI:
         obj = context.active_object
         self.sprops = context.scene.BIMClassificationProperties
         self.bprops = context.scene.BIMBSDDProperties
-        self.props = obj.BIMClassificationReferenceProperties
+        self.props = context.scene.BIMClassificationReferenceProperties
         self.file = IfcStore.get_file()
 
         self.draw_add_ui(context)
@@ -318,7 +318,7 @@ class BIM_PT_material_classifications(Panel, ReferenceUI):
 
 
 class BIM_PT_cost_classifications(Panel, ReferenceUI):
-    bl_label = "Cost Classifications"
+    bl_label = "Cost Item Classifications"
     bl_idname = "BIM_PT_cost_classifications"
     bl_options = {"DEFAULT_CLOSED"}
     bl_space_type = "PROPERTIES"

src/blenderbim/blenderbim/bim/module/pset/__init__.py

@@ -79,7 +79,7 @@ def register():
 
 def unregister():
     del bpy.types.Object.PsetProperties
-    del bpy.types.Object.MaterialPsetProperties
+    del bpy.types.Scene.MaterialPsetProperties
     del bpy.types.Object.MaterialSetPsetProperties
     del bpy.types.Object.MaterialSetItemPsetProperties
     del bpy.types.Scene.TaskPsetProperties