You can now add new profile definitions in the profile manager

src/blenderbim/blenderbim/bim/handler.py

@@ -26,6 +26,7 @@ from blenderbim.bim.module.drawing.prop import RasterStyleProperty
 from bpy.app.handlers import persistent
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.module.owner.prop import get_user_person, get_user_organisation
+from blenderbim.bim.module.model.data import AuthoringData
 from ifcopenshell.api.material.data import Data as MaterialData
 from ifcopenshell.api.type.data import Data as TypeData
 
@@ -301,3 +302,4 @@ def setDefaultProperties(scene):
         drawing_style.name = "Blender Default"
         drawing_style.render_type = "DEFAULT"
         bpy.ops.bim.save_drawing_style(index="2")
+        AuthoringData.type_thumbnails = {}

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

@@ -20,12 +20,13 @@ import bpy
 from . import ui, prop, operator
 
 classes = (
-    operator.LoadProfiles,
-    operator.DisableProfileEditingUI,
-    operator.RemoveProfileDef,
-    operator.EnableEditingProfile,
+    operator.AddProfileDef,
     operator.DisableEditingProfile,
+    operator.DisableProfileEditingUI,
     operator.EditProfile,
+    operator.EnableEditingProfile,
+    operator.LoadProfiles,
+    operator.RemoveProfileDef,
     prop.Profile,
     prop.BIMProfileProperties,
     ui.BIM_PT_profiles,

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

@@ -17,6 +17,7 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
 import bpy
+import ifcopenshell.util.doc
 import blenderbim.tool as tool
 
 
@@ -30,9 +31,24 @@ class ProfileData:
 
     @classmethod
     def load(cls):
-        cls.data = {"total_profiles": cls.total_profiles()}
+        cls.data = {"total_profiles": cls.total_profiles(), "profile_classes": cls.profile_classes()}
         cls.is_loaded = True
 
     @classmethod
     def total_profiles(cls):
         return len(tool.Ifc.get().by_type("IfcProfileDef"))
+
+    @classmethod
+    def profile_classes(cls):
+        classes = ["IfcArbitraryClosedProfileDef"]
+        queue = ["IfcParameterizedProfileDef"]
+        while queue:
+            item = queue.pop()
+            subtypes = [s.name() for s in tool.Ifc.schema().declaration_by_name(item).subtypes()]
+            classes.extend(subtypes)
+            queue.extend(subtypes)
+        schema_identifier = tool.Ifc.get_schema()
+        return [
+            (c, c, ifcopenshell.util.doc.get_entity_doc(schema_identifier, c)["description"] or "")
+            for c in sorted(classes)
+        ]

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

@@ -99,3 +99,20 @@ class EditProfile(bpy.types.Operator, tool.Ifc.Operator):
         ifcopenshell.api.run("profile.edit_profile", tool.Ifc.get(), profile=profile, attributes=attributes)
         bpy.ops.bim.load_profiles()
         return {"FINISHED"}
+
+
+class AddProfileDef(bpy.types.Operator, tool.Ifc.Operator):
+    bl_idname = "bim.add_profile_def"
+    bl_label = "Add Profile"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def _execute(self, context):
+        props = context.scene.BIMProfileProperties
+        profile_class = props.profile_classes
+        if profile_class == "IfcArbitraryClosedProfileDef":
+            points = [(0, 0), (0.1, 0), (0.1, 0.1), (0, 0.1)]
+            ifcopenshell.api.run("profile.add_arbitrary_profile", tool.Ifc.get(), profile=points)
+        else:
+            ifcopenshell.api.run("profile.add_parameterized_profile", tool.Ifc.get(), ifc_class=profile_class)
+        bpy.ops.bim.load_profiles()
+        return {"FINISHED"}

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

@@ -22,6 +22,7 @@ import ifcopenshell.util.schema
 import ifcopenshell.util.attribute
 from blenderbim.bim.ifc import IfcStore
 from blenderbim.bim.prop import StrProperty, Attribute
+from blenderbim.bim.module.profile.data import ProfileData
 from bpy.types import PropertyGroup
 from bpy.props import (
     PointerProperty,
@@ -35,6 +36,12 @@ from bpy.props import (
 )
 
 
+def get_profile_classes(self, context):
+    if not ProfileData.is_loaded:
+        ProfileData.load()
+    return ProfileData.data["profile_classes"]
+
+
 class Profile(PropertyGroup):
     name: StringProperty(name="Name")
     ifc_definition_id: IntProperty(name="IFC Definition ID")
@@ -46,3 +53,4 @@ class BIMProfileProperties(PropertyGroup):
     active_profile_index: IntProperty(name="Active Profile Index")
     active_profile_id: IntProperty(name="Active Profile Id")
     profile_attributes: CollectionProperty(name="Profile Attributes", type=Attribute)
+    profile_classes: EnumProperty(items=get_profile_classes, name="Profile Classes")

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

@@ -50,6 +50,10 @@ class BIM_PT_profiles(Panel):
         if not self.props.is_editing:
             return
 
+        row = self.layout.row(align=True)
+        row.prop(self.props, "profile_classes", text="")
+        row.operator("bim.add_profile_def", text="", icon="ADD")
+
         self.layout.template_list(
             "BIM_UL_profiles",
             "",

src/blenderbim/blenderbim/bim/prop.py

@@ -242,7 +242,7 @@ class Attribute(PropertyGroup):
     has_calculator: BoolProperty(name="Has Calculator", default=False)
 
     def get_value(self):
-        if self.is_null:
+        if self.is_optional and self.is_null:
             return None
         return getattr(self, str(self.get_value_name()), None)