105 lines
5.1 KiB
Python
105 lines
5.1 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2024 Yorik van Havre <yorik@uncreated.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU General Public License (GPL) *
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# * as published by the Free Software Foundation; either version 3 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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from nativeifc import ifc_tools # lazy import
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def edit_classification(obj):
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"""Edits the classification of this object"""
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element = ifc_tools.get_ifc_element(obj)
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ifcfile = ifc_tools.get_ifcfile(obj)
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if not element or not ifcfile:
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return
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# TODO: remove previous reference?
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#ifc_tools.api_run("classification.remove_reference",
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# ifcfile, reference=ref, products=[obj])
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classifications = ifcfile.by_type("IfcClassification")
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classification = getattr(obj, "Classification", "")
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if classification:
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cname, code = classification.split(" ", 1)
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cnames = [c.Name for c in classifications]
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if cname in cnames:
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system = classifications[cnames.index(cname)]
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else:
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system = ifc_tools.api_run("classification.add_classification", ifcfile,
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classification=cname)
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for ref in getattr(system, "HasReferences", []):
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rname = ref.Name or ref.Identification
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if code == rname:
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return
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elif code.startswith(rname):
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if getattr(ref, "ClassificationRefForObjects", None):
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rel = ref.ClassificationRefForObjects[0]
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if not element in rel.RelatedObjects:
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ifc_tools.edit_attribute(rel, "RelatedObjects",
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rel.RelatedObjects + [element]
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)
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else:
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# we have a reference, but no classForObjects
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# this is weird and shouldn't exist...
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rel = ifcfile.createIfcRelAssociatesClassification(
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ifc_tools.ifcopenshell.guid.new(),
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history,'FreeCADClassificationRel',
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None,
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[element],
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ref
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)
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else:
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ifc_tools.api_run("classification.add_reference", ifcfile,
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products = [element],
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classification = system,
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identification = code
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)
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else:
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# classification property is empty
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for rel in getattr(element, "HasAssociations", []):
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if rel.is_a("IfcRelAssociatesClassification"):
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# removing existing classification if only user
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if len(rel.RelatedObjects) == 1 and rel.RelatedObjects[0] == element:
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ifc_tools.api_run("classification.remove_reference",
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ifcfile,
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reference=rel.RelatingClassification,
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products=[element]
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)
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# TODO: Remove IfcClassification too?
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def show_classification(obj):
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"""Loads the classification of this object"""
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element = ifc_tools.get_ifc_element(obj)
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ifcfile = ifc_tools.get_ifcfile(obj)
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if not element or not ifcfile:
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return
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for system in ifcfile.by_type("IfcClassification"):
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for ref in getattr(system, "HasReferences", []):
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for rel in ref.ClassificationRefForObjects:
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if element in rel.RelatedObjects:
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if not "Classification" in obj.PropertiesList:
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obj.addProperty("App::PropertyString", "Classification", "IFC")
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sname = system.Name
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cname = ref.Name or ref.Identification
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obj.Classification = sname + " " + cname
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break
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