Fix #1855. Bug where authoring type dropdowns didn't refresh.

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

@@ -0,0 +1,59 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import blenderbim.tool as tool
+
+
+def refresh():
+    AuthoringData.is_loaded = False
+    WorkspaceData.is_loaded = False
+
+
+class AuthoringData:
+    data = {}
+    is_loaded = False
+
+    @classmethod
+    def load(cls):
+        cls.data = {
+            "ifc_classes": cls.ifc_classes(),
+            "relating_types": cls.relating_types(),
+        }
+        cls.is_loaded = True
+
+    @classmethod
+    def ifc_classes(cls):
+        results = []
+        classes = set([e.is_a() for e in tool.Ifc.get().by_type("IfcElementType")])
+        results.extend([(c, c, "") for c in sorted(classes)])
+        return results
+
+    @classmethod
+    def relating_types(cls):
+        results = []
+        ifc_class = bpy.context.scene.BIMModelProperties.ifc_class
+        if ifc_class:
+            elements = [(str(e.id()), e.Name, "") for e in tool.Ifc.get().by_type(ifc_class)]
+            results.extend(sorted(elements, key=lambda s: s[1]))
+            return results
+        return []
+
+
+class WorkspaceData(AuthoringData):
+    pass

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

@@ -63,9 +63,9 @@ class AddTypeInstance(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        tprops = context.scene.BIMTypeProperties
+        props = context.scene.BIMModelProperties
-        ifc_class = self.ifc_class or tprops.ifc_class
+        ifc_class = self.ifc_class or props.ifc_class
-        relating_type_id = self.relating_type or tprops.relating_type
+        relating_type_id = self.relating_type or props.relating_type
 
         if not ifc_class or not relating_type_id:
             return {"FINISHED"}
@@ -118,7 +118,7 @@ class AddTypeInstance(bpy.types.Operator):
             tool.Ifc,
             tool.Type,
             element=tool.Ifc.get_entity(obj),
-            type=tool.Ifc.get().by_id(int(tprops.relating_type)),
+            type=tool.Ifc.get().by_id(int(props.relating_type)),
         )
 
         if building_obj:

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

@@ -18,6 +18,7 @@
 
 import bpy
 import ifcopenshell.util.type
+from blenderbim.bim.module.model.data import AuthoringData
 from blenderbim.bim.prop import StrProperty, Attribute
 from blenderbim.bim.ifc import IfcStore
 from bpy.types import PropertyGroup
@@ -32,21 +33,23 @@ from bpy.props import (
     CollectionProperty,
 )
 
-relating_types_enum = []
+
+def get_ifc_class(self, context):
+    if not AuthoringData.is_loaded:
+        AuthoringData.load()
+    return AuthoringData.data["ifc_classes"]
 
 
-def purge():
+def get_relating_type(self, context):
-    global relating_types_enum
+    if not AuthoringData.is_loaded:
-    relating_types_enum = []
+        AuthoringData.load()
+    return AuthoringData.data["relating_types"]
 
 
-def getRelatingTypes(self, context):
+def update_ifc_class(self, context):
-    global relating_types_enum
+    AuthoringData.is_loaded = False
-    if len(relating_types_enum) < 1:
-        elements = IfcStore.get_file().by_type("IfcWallType")
-        relating_types_enum.extend((str(e.id()), e.Name, "") for e in elements)
-    return relating_types_enum
 
 
 class BIMModelProperties(PropertyGroup):
-    relating_type: EnumProperty(items=getRelatingTypes, name="Relating Type")
+    ifc_class: bpy.props.EnumProperty(items=get_ifc_class, name="IFC Class", update=update_ifc_class)
+    relating_type: bpy.props.EnumProperty(items=get_relating_type, name="Relating Type")

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

@@ -19,6 +19,7 @@
 import blenderbim.bim.module.type.prop as type_prop
 from bpy.types import Panel
 from blenderbim.bim.ifc import IfcStore
+from blenderbim.bim.module.model.data import AuthoringData
 
 
 class BIM_PT_authoring(Panel):
@@ -33,17 +34,20 @@ class BIM_PT_authoring(Panel):
         return IfcStore.get_file()
 
     def draw(self, context):
-        tprops = context.scene.BIMTypeProperties
+        if not AuthoringData.is_loaded:
+            AuthoringData.load()
+
+        props = context.scene.BIMModelProperties
         col = self.layout.column(align=True)
         enabled = True
 
-        if type_prop.getIfcTypes(tprops, context):
+        if AuthoringData.data["ifc_classes"]:
-            col.prop(tprops, "ifc_class", text="", icon="FILE_VOLUME")
+            col.prop(props, "ifc_class", text="", icon="FILE_VOLUME")
         else:
             col.label(text="No IFC Class", icon="FILE_VOLUME")
             enabled = False
-        if type_prop.get_relating_type(tprops, context):
+        if AuthoringData.data["relating_types"]:
-            col.prop(tprops, "relating_type", text="", icon="FILE_3D")
+            col.prop(props, "relating_type", text="", icon="FILE_3D")
         else:
             col.label(text="No Relating Type", icon="FILE_3D")
             enabled = False

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

@@ -21,6 +21,7 @@ import bpy
 import blenderbim.bim.module.type.prop as type_prop
 from bpy.types import WorkSpaceTool
 from blenderbim.bim.ifc import IfcStore
+from blenderbim.bim.module.model.data import WorkspaceData
 
 
 class BimTool(WorkSpaceTool):
@@ -51,17 +52,19 @@ class BimTool(WorkSpaceTool):
     )
 
     def draw_settings(context, layout, tool):
+        if not WorkspaceData.is_loaded:
+            WorkspaceData.load()
+
         row = layout.row(align=True)
         if not IfcStore.get_file():
             row.label(text="No IFC Project", icon="ERROR")
             return
-        props = context.scene.BIMTypeProperties
+        props = context.scene.BIMModelProperties
-        ifc_classes_is_empty = not bool(type_prop.getIfcTypes(props, context))
+        if WorkspaceData.data["ifc_classes"]:
-        if ifc_classes_is_empty:
-            row.label(text="No IFC Class")
-        else:
             row.prop(props, "ifc_class", text="")
-        if type_prop.get_relating_type(props, context):
+        else:
+            row.label(text="No IFC Class")
+        if WorkspaceData.data["relating_types"]:
             row.prop(props, "relating_type", text="")
         else:
             row.label(text="No Relating Type")
@@ -143,8 +146,12 @@ class Hotkey(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        self.props = context.scene.BIMTypeProperties
+        self.props = context.scene.BIMModelProperties
-        self.ifc_classes_is_empty = not bool(type_prop.getIfcTypes(self.props, context))
+        self.ifc_classes_is_empty = True
+        try:
+            self.ifc_classes_is_empty = bool(self.props.ifc_class)
+        except:
+            pass
         getattr(self, f"hotkey_{self.hotkey}")()
         return {"FINISHED"}
 

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

@@ -28,16 +28,13 @@ classes = (
     operator.SelectTypeObjects,
     operator.SelectType,
     prop.BIMTypeProperties,
-    prop.BIMTypeObjectProperties,
     ui.BIM_PT_type,
 )
 
 
 def register():
-    bpy.types.Scene.BIMTypeProperties = bpy.props.PointerProperty(type=prop.BIMTypeProperties)
+    bpy.types.Object.BIMTypeProperties = bpy.props.PointerProperty(type=prop.BIMTypeProperties)
-    bpy.types.Object.BIMTypeProperties = bpy.props.PointerProperty(type=prop.BIMTypeObjectProperties)
 
 
 def unregister():
-    del bpy.types.Scene.BIMTypeProperties
     del bpy.types.Object.BIMTypeProperties

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

@@ -0,0 +1,53 @@
+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
+
+import bpy
+import blenderbim.tool as tool
+
+
+def refresh():
+    TypeData.is_loaded = False
+
+
+class TypeData:
+    data = {}
+    is_loaded = False
+
+    @classmethod
+    def load(cls):
+        cls.data = {
+            "relating_type_classes": cls.relating_type_classes(),
+            "relating_types": cls.relating_types(),
+        }
+        cls.is_loaded = True
+
+    @classmethod
+    def relating_type_classes(cls):
+        results = []
+        element = tool.Ifc.get_entity(bpy.context.active_object)
+        types = ifcopenshell.util.type.get_applicable_types(element.is_a(), schema=tool.Ifc.get_schema())
+        applicable_types_enum.extend((t, t, "") for t in types)
+        return results
+
+    @classmethod
+    def relating_types(cls):
+        results = []
+        elements = tool.Ifc.get().by_type(bpy.context.active_object.BIMTypeProperties.relating_type_class)
+        elements = [(str(e.id()), e.Name, "") for e in elements]
+        relating_types_enum.extend(sorted(elements, key=lambda s: s[1]))
+        return results

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

@@ -18,6 +18,7 @@
 
 import bpy
 import ifcopenshell.util.type
+from blenderbim.bim.module.type.data import TypeData
 from blenderbim.bim.prop import StrProperty, Attribute
 from blenderbim.bim.ifc import IfcStore
 from bpy.types import PropertyGroup
@@ -32,78 +33,24 @@ from bpy.props import (
     CollectionProperty,
 )
 
-applicable_types_enum = []
-relating_types_enum = []
-type_classes_enum = []
-available_types_enum = []
 
-
+def get_relating_type_class(self, context):
-def purge():
+    if not TypeData.is_loaded:
-    global applicable_types_enum
+        TypeData.load()
-    global relating_types_enum
+    return TypeData.data["relating_type_classes"]
-    global type_classes_enum
-    global available_types_enum
-    applicable_types_enum = []
-    relating_types_enum = []
-    type_classes_enum = []
-    available_types_enum = []
-
-
-def getIfcTypes(self, context):
-    global type_classes_enum
-    file = IfcStore.get_file()
-    if len(type_classes_enum) < 1 and file:
-        classes = set([e.is_a() for e in file.by_type("IfcElementType")])
-        type_classes_enum.extend([(c, c, "") for c in sorted(classes)])
-    return type_classes_enum
 
 
 def get_relating_type(self, context):
-    global available_types_enum
+    if not TypeData.is_loaded:
-    if len(available_types_enum) < 1 and getIfcTypes(self, context):
+        TypeData.load()
-        elements = [(str(e.id()), e.Name, "") for e in IfcStore.get_file().by_type(self.ifc_class)]
+    return TypeData.data["relating_types"]
-        available_types_enum.extend(sorted(elements, key=lambda s: s[1]))
-    return available_types_enum
 
 
-def updateTypeInstanceIfcClass(self, context):
+def update_is_editing_type(self, context):
-    global type_classes_enum
+    TypeData.is_loaded = False
-    global available_types_enum
-    type_classes_enum.clear()
-    available_types_enum.clear()
-
-
-def getApplicableTypes(self, context):
-    global applicable_types_enum
-    if len(applicable_types_enum) < 1:
-        element = IfcStore.get_file().by_id(context.active_object.BIMObjectProperties.ifc_definition_id)
-        types = ifcopenshell.util.type.get_applicable_types(element.is_a(), schema=IfcStore.get_file().schema)
-        applicable_types_enum.extend((t, t, "") for t in types)
-    return applicable_types_enum
-
-
-def get_object_relating_type(self, context):
-    global relating_types_enum
-    if len(relating_types_enum) < 1:
-        elements = IfcStore.get_file().by_type(context.active_object.BIMTypeProperties.relating_type_class)
-        elements = [(str(e.id()), e.Name, "") for e in elements]
-        relating_types_enum.extend(sorted(elements, key=lambda s: s[1]))
-    return relating_types_enum
-
-
-def updateTypeDropdowns(self, context):
-    global applicable_types_enum
-    global relating_types_enum
-    applicable_types_enum.clear()
-    relating_types_enum.clear()
 
 
 class BIMTypeProperties(PropertyGroup):
-    ifc_class: bpy.props.EnumProperty(items=getIfcTypes, name="IFC Class", update=updateTypeInstanceIfcClass)
+    is_editing_type: BoolProperty(name="Is Editing Type", update=update_is_editing_type)
-    relating_type: bpy.props.EnumProperty(items=get_relating_type, name="Relating Type")
+    relating_type_class: EnumProperty(items=get_relating_type_class, name="Relating Type Class")
-
+    relating_type: EnumProperty(items=get_relating_type, name="Relating Type")
-
-class BIMTypeObjectProperties(PropertyGroup):
-    is_editing_type: BoolProperty(name="Is Editing Type", update=updateTypeDropdowns)
-    relating_type_class: EnumProperty(items=getApplicableTypes, name="Relating Type Class")
-    relating_type: EnumProperty(items=get_object_relating_type, name="Relating Type")

src/blenderbim/test/bim/feature/geometry.feature

@@ -275,9 +275,9 @@ Scenario: Override duplicate move - copying a type instance with a representatio
     And I set "scene.BIMRootProperties.ifc_product" to "IfcElementType"
     And I set "scene.BIMRootProperties.ifc_class" to "IfcWallType"
     And I press "bim.assign_class"
-    And I set "scene.BIMTypeProperties.ifc_class" to "IfcWallType"
+    And I set "scene.BIMModelProperties.ifc_class" to "IfcWallType"
     And the variable "cube" is "{ifc}.by_type('IfcWallType')[0].id()"
-    And I set "scene.BIMTypeProperties.relating_type" to "{cube}"
+    And I set "scene.BIMModelProperties.relating_type" to "{cube}"
     And I press "bim.add_type_instance"
     And the object "IfcWall/Instance" is selected
     When I press "object.duplicate_move"

src/blenderbim/test/bim/feature/model.feature

@@ -8,9 +8,9 @@ Scenario: Add type instance - add from a mesh
     And I set "scene.BIMRootProperties.ifc_product" to "IfcElementType"
     And I set "scene.BIMRootProperties.ifc_class" to "IfcWallType"
     And I press "bim.assign_class"
-    And I set "scene.BIMTypeProperties.ifc_class" to "IfcWallType"
+    And I set "scene.BIMModelProperties.ifc_class" to "IfcWallType"
     And the variable "cube" is "{ifc}.by_type('IfcWallType')[0].id()"
-    And I set "scene.BIMTypeProperties.relating_type" to "{cube}"
+    And I set "scene.BIMModelProperties.relating_type" to "{cube}"
     When I press "bim.add_type_instance"
     Then the object "IfcWall/Instance" exists
 
@@ -21,9 +21,9 @@ Scenario: Add type instance - add from an empty
     And I set "scene.BIMRootProperties.ifc_product" to "IfcElementType"
     And I set "scene.BIMRootProperties.ifc_class" to "IfcWallType"
     And I press "bim.assign_class"
-    And I set "scene.BIMTypeProperties.ifc_class" to "IfcWallType"
+    And I set "scene.BIMModelProperties.ifc_class" to "IfcWallType"
     And the variable "empty" is "{ifc}.by_type('IfcWallType')[0].id()"
-    And I set "scene.BIMTypeProperties.relating_type" to "{empty}"
+    And I set "scene.BIMModelProperties.relating_type" to "{empty}"
     When I press "bim.add_type_instance"
     Then the object "IfcWall/Instance" exists
 
@@ -34,9 +34,9 @@ Scenario: Add type instance - add a mesh where existing instances have changed c
     And I set "scene.BIMRootProperties.ifc_product" to "IfcElementType"
     And I set "scene.BIMRootProperties.ifc_class" to "IfcWallType"
     And I press "bim.assign_class"
-    And I set "scene.BIMTypeProperties.ifc_class" to "IfcWallType"
+    And I set "scene.BIMModelProperties.ifc_class" to "IfcWallType"
     And the variable "cube" is "{ifc}.by_type('IfcWallType')[0].id()"
-    And I set "scene.BIMTypeProperties.relating_type" to "{cube}"
+    And I set "scene.BIMModelProperties.relating_type" to "{cube}"
     And I press "bim.add_type_instance"
     And the object "IfcWall/Instance" data is a "Tessellation" representation of "Model/Body/MODEL_VIEW"
     And the object "IfcWall/Instance" is selected