mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-09-17 22:11:36 +00:00
Dion Moult
73439e2114
* Adaptive UI based on IFC version * You can now load new classification libraries on the fly * You can mix classification libraries with project references
54 lines
2.3 KiB
Python
54 lines
2.3 KiB
Python
import ifcopenshell
|
|
import ifcopenshell.util.schema
|
|
|
|
class Usecase:
|
|
def __init__(self, file, settings=None):
|
|
self.file = file
|
|
self.settings = {
|
|
"product": None,
|
|
"reference": None,
|
|
"classification": None,
|
|
}
|
|
for key, value in settings.items():
|
|
self.settings[key] = value
|
|
|
|
def execute(self):
|
|
relating_classification = None
|
|
for reference in self.file.by_type("IfcClassificationReference"):
|
|
if self.file.schema == "IFC2X3":
|
|
if reference.ItemReference == self.settings["reference"].ItemReference:
|
|
relating_classification = reference
|
|
break
|
|
else:
|
|
if reference.Identification == self.settings["reference"].Identification:
|
|
relating_classification = reference
|
|
break
|
|
|
|
if relating_classification:
|
|
association = self.get_association(relating_classification)
|
|
related_objects = set(association.RelatedObjects)
|
|
related_objects.add(self.settings["product"])
|
|
association.RelatedObjects = list(related_objects)
|
|
return
|
|
|
|
migrator = ifcopenshell.util.schema.Migrator()
|
|
# This removal patch is to support a lightweight classification
|
|
old_referenced_source = self.settings["reference"].ReferencedSource
|
|
self.settings["reference"].ReferencedSource = None
|
|
relating_classification = migrator.migrate(self.settings["reference"], self.file)
|
|
relating_classification.ReferencedSource = self.settings["classification"]
|
|
self.settings["reference"].ReferencedSource = old_referenced_source
|
|
self.file.create_entity("IfcRelAssociatesClassification", **{
|
|
"GlobalId": ifcopenshell.guid.new(),
|
|
"RelatedObjects": [self.settings["product"]],
|
|
"RelatingClassification": relating_classification
|
|
})
|
|
|
|
def get_association(self, reference):
|
|
if self.file.schema == "IFC2X3":
|
|
for association in self.file.by_type("IfcRelAssociatesClassification"):
|
|
if relating_classification == reference:
|
|
return association
|
|
elif reference.ClassificationRefForObjects:
|
|
return reference.ClassificationRefForObjects[0]
|