Fix #4791. Hide irrelevant spatial containment panel for spatial elements.

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

@@ -31,14 +31,27 @@ class SpatialData:
 
     @classmethod
     def load(cls):
-        cls.data = {
-            "parent_container_id": cls.parent_container_id(),
-            "is_directly_contained": cls.is_directly_contained(),
-            "label": cls.label(),
-            "references": cls.references(),
-            "containers": cls.containers(),
-        }
         cls.is_loaded = True
+        cls.data["poll"] = cls.poll()
+        if cls.data["poll"]:
+            cls.data.update({
+                "parent_container_id": cls.parent_container_id(),
+                "is_directly_contained": cls.is_directly_contained(),
+                "label": cls.label(),
+                "references": cls.references(),
+                "containers": cls.containers(),
+            })
+
+    @classmethod
+    def poll(cls):
+        if not bpy.context.active_object:
+            return False
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        if not element:
+            return False
+        if element.is_a("IfcElement") or element.is_a("IfcAnnotation") or element.is_a("IfcGrid"):
+            return True
+        return False
 
     @classmethod
     def containers(cls):

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

@@ -17,7 +17,6 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
 from bpy.types import Panel, UIList
-from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.spatial.data import SpatialData
 import blenderbim.tool as tool
 
@@ -32,14 +31,9 @@ class BIM_PT_spatial(Panel):
 
     @classmethod
     def poll(cls, context):
-        if not context.active_object:
+        if not SpatialData.is_loaded:
-            return False
+            SpatialData.load()
-        oprops = context.active_object.BIMObjectProperties
+        return SpatialData.data["poll"]
-        if not oprops.ifc_definition_id:
-            return False
-        if not IfcStore.get_element(oprops.ifc_definition_id):
-            return False
-        return True
 
     def draw(self, context):
         if not SpatialData.is_loaded:
@@ -156,12 +150,12 @@ class BIM_UL_containers_manager(UIList):
             row.label(text="", icon="BLANK1")
         if item.has_children:
             if item.is_expanded:
-                row.operator(
+                row.operator("bim.contract_container", text="", emboss=False, icon="DISCLOSURE_TRI_DOWN").container = (
-                    "bim.contract_container", text="", emboss=False, icon="DISCLOSURE_TRI_DOWN"
+                    item.ifc_definition_id
-                ).container = item.ifc_definition_id
+                )
             else:
-                row.operator(
+                row.operator("bim.expand_container", text="", emboss=False, icon="DISCLOSURE_TRI_RIGHT").container = (
-                    "bim.expand_container", text="", emboss=False, icon="DISCLOSURE_TRI_RIGHT"
+                    item.ifc_definition_id
-                ).container = item.ifc_definition_id
+                )
         else:
             row.label(text="", icon="DOT")