You can now access the ifc classes online docs from the right click context menu

+ Remove the ugly buttons in the interface

src/blenderbim/blenderbim/bim/__init__.py

@@ -159,6 +159,7 @@ def register():
     bpy.types.Camera.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
     bpy.types.PointLight.BIMMeshProperties = bpy.props.PointerProperty(type=prop.BIMMeshProperties)
     bpy.types.SCENE_PT_unit.append(ui.ifc_units)
+    bpy.types.UI_MT_button_context_menu.append(ui.draw_custom_context_menu)
 
     for mod in modules.values():
         mod.register()
@@ -179,6 +180,7 @@ def unregister():
     del bpy.types.Camera.BIMMeshProperties
     del bpy.types.PointLight.BIMMeshProperties
     bpy.types.SCENE_PT_unit.remove(ui.ifc_units)
+    bpy.types.UI_MT_button_context_menu.remove(ui.draw_custom_context_menu)
 
     for mod in reversed(list(modules.values())):
         mod.unregister()

src/blenderbim/blenderbim/bim/helper.py

@@ -23,11 +23,9 @@ import math
 import zipfile
 import ifcopenshell
 import ifcopenshell.util.attribute
-from blenderbim.bim.prop import get_ifc_entity_doc_url
 from mathutils import geometry
 from mathutils import Vector
 from blenderbim.bim.ifc import IfcStore
-import blenderbim.tool as tool
 
 
 def draw_attributes(props, layout, copy_operator=None):
@@ -126,23 +124,8 @@ def prop_with_search(layout, data, prop_name, **kwargs):
     op = row.operator("bim.enum_property_search", text="", icon="VIEWZOOM")
     op.prop_name = prop_name
 
-    add_entity_url_button(row, getattr(data, prop_name))
 
-
-def add_entity_url_button(layout, entity):
-    if entity:
-        try:
-            url = get_ifc_entity_doc_url(entity)
-        except KeyError:
-            # TODO : support attributes, pset, etc.
-            pass
-        else:
-            if url:
-                url_op = layout.operator("bim.open_webbrowser", icon="INFO", text="")
-                url_op.url = url
-
-
-def get_enum_items(data, prop_name, context):
+def get_enum_items(data, prop_name, context=None):
     # Retrieve items from a dynamic EnumProperty, which is otherwise not supported
     # Or throws an error in the console when the items callback returns an empty list
     # See https://blender.stackexchange.com/q/215781/86891
@@ -152,7 +135,7 @@ def get_enum_items(data, prop_name, context):
         return
     if not isinstance(items, (list, tuple)):
         # items are retrieved through a callback, not a static list :
-        items = items(data, context)
+        items = items(data, context or bpy.context)
     return items
 
 

src/blenderbim/blenderbim/bim/ui.py

@@ -23,6 +23,7 @@ from . import ifc
 from bpy.types import Panel
 from bpy.props import StringProperty, IntProperty, BoolProperty
 from blenderbim.bim.helper import IfcHeaderExtractor
+from blenderbim.bim.prop import get_ifc_entity_doc_url
 import blenderbim.tool as tool
 
 
@@ -381,3 +382,19 @@ class BIM_PT_misc_object(Panel):
 
     def draw(self, context):
         pass
+
+
+def draw_custom_context_menu(self, context):
+    layout = self.layout
+    layout.separator()
+    # https://blender.stackexchange.com/a/275555/86891
+    prop_value = getattr(context.button_pointer, context.button_prop.identifier)
+    try:
+        url = get_ifc_entity_doc_url(prop_value)
+    except KeyError:
+        # TODO : support attributes, pset, etc.
+        pass
+    else:
+        if url:
+            url_op = layout.operator("bim.open_webbrowser", icon="URL", text="Open IFC Documentation")
+            url_op.url = url