BBIM - option to append occurrences from the other ifc files

Example - https://imgur.com/a/yASjbs8

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

@@ -28,6 +28,7 @@ import ifcopenshell.api
 import ifcopenshell.util.selector
 import ifcopenshell.util.geolocation
 import ifcopenshell.util.representation
+import ifcopenshell.util.element
 import blenderbim.bim.handler
 import blenderbim.bim.schema
 import blenderbim.tool as tool
@@ -185,7 +186,11 @@ class RefreshLibrary(bpy.types.Operator):
         self.props.active_library_element = ""
 
         types = IfcStore.library_file.wrapped_data.types_with_super()
-        for importable_type in sorted(["IfcTypeProduct", "IfcMaterial", "IfcCostSchedule", "IfcProfileDef"]):
+
+        element_classes = ["IfcTypeProduct", "IfcMaterial", "IfcCostSchedule", "IfcProfileDef"]
+        if self.props.library_display_elements:
+            element_classes += ["IfcElement"]
+        for importable_type in sorted(element_classes):
             if importable_type in types:
                 new = self.props.library_elements.add()
                 new.name = importable_type
@@ -204,11 +209,15 @@ class ChangeLibraryElement(bpy.types.Operator):
         self.library_file = IfcStore.library_file
         ifc_classes = set()
         self.props.active_library_element = self.element_name
+
         crumb = self.props.library_breadcrumb.add()
         crumb.name = self.element_name
+
         elements = self.library_file.by_type(self.element_name)
         [ifc_classes.add(e.is_a()) for e in elements]
+
         self.props.library_elements.clear()
+
         if len(ifc_classes) == 1 and list(ifc_classes)[0] == self.element_name:
             for name, ifc_definition_id in sorted([(self.get_name(e), e.id()) for e in elements]):
                 self.add_library_asset(name, ifc_definition_id)
@@ -430,6 +439,11 @@ class AppendLibraryElement(bpy.types.Operator):
             self.import_type_from_ifc(element, context)
         elif element.is_a("IfcProduct"):
             self.import_product_from_ifc(element, context)
+            element_type = ifcopenshell.util.element.get_type(element)
+            obj = tool.Ifc.get_object(element_type)
+            if obj is None:
+                self.import_type_from_ifc(element_type, context)
+
         elif element.is_a("IfcMaterial"):
             self.import_material_from_ifc(element, context)
         try:

src/blenderbim/blenderbim/bim/module/project/prop.py

@@ -59,6 +59,10 @@ def update_library_file(self, context):
         )
 
 
+def update_library_display_elements(self, context):
+    bpy.ops.bim.refresh_library()
+
+
 def update_filter_mode(self, context):
     self.filter_categories.clear()
     if self.filter_mode == "NONE":
@@ -121,6 +125,11 @@ class BIMProjectProperties(PropertyGroup):
     organisation_name: StringProperty(name="Organisation")
     organisation_email: StringProperty(name="Organisation Email")
     authorisation: StringProperty(name="Authoriser")
+    library_display_elements: BoolProperty(
+        name="Display IfcElements",
+        description="Display IfcElements from library too, not just the types",
+        update=update_library_display_elements,
+    )
     active_library_element: StringProperty(name="Enable Authoring Mode", default="")
     library_breadcrumb: CollectionProperty(name="Library Breadcrumb", type=StrProperty)
     library_elements: CollectionProperty(name="Library Elements", type=LibraryElement)

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

@@ -267,12 +267,14 @@ class BIM_PT_project_library(Panel):
             )
             row.operator("bim.append_library_element_by_query", text="", icon="APPEND_BLEND")
             row.operator("bim.save_library_file", text="", icon="EXPORT")
+            self.draw_library_ul()
         else:
             row.label(text="No Library Loaded", icon="ASSET_MANAGER")
-        if IfcStore.library_file:
-            self.draw_library_ul()
 
     def draw_library_ul(self):
+        self.layout.use_property_split = False
+        self.layout.prop(self.props, "library_display_elements")
+        self.layout.use_property_split = True
         if not self.props.library_elements:
             row = self.layout.row()
             row.label(text="No Assets Found", icon="ERROR")