mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Dion Moult
96 lines
3.7 KiB
Python
96 lines
3.7 KiB
Python
# IfcOpenShell - IFC toolkit and geometry engine
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# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
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#
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# This file is part of IfcOpenShell.
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#
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# IfcOpenShell is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# IfcOpenShell 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 Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with IfcOpenShell. If not, see <http://www.gnu.org/licenses/>.
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import ifcopenshell
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class Usecase:
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def __init__(self, file, **settings):
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self.file = file
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self.settings = {"qto": None, "name": None, "properties": {}}
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for key, value in settings.items():
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self.settings[key] = value
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def execute(self):
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self.update_qto_name()
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self.load_qto_template()
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self.update_existing_properties()
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new_properties = self.add_new_properties()
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self.extend_qto_with_new_properties(new_properties)
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def update_qto_name(self):
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if self.settings["name"]:
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self.settings["qto"].Name = self.settings["name"]
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def load_qto_template(self):
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# TODO: add IFC2X3 PsetQto template support
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self.psetqto = ifcopenshell.util.pset.get_template("IFC4")
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self.qto_template = self.psetqto.get_by_name(self.settings["qto"].Name)
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def update_existing_properties(self):
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for prop in self.settings["qto"].Quantities or []:
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self.update_existing_property(prop)
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def update_existing_property(self, prop):
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if prop.Name not in self.settings["properties"]:
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return
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value = self.settings["properties"][prop.Name]
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name = prop.Name
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if value is None:
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self.file.remove(prop)
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elif prop.is_a("IfcPhysicalSimpleQuantity"):
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prop[3] = float(value)
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del self.settings["properties"][name]
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def add_new_properties(self):
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properties = []
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for name, value in self.settings["properties"].items():
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if value is None:
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continue
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property_type = self.get_canonical_property_type(name)
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properties.append(
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self.file.create_entity(
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"IfcQuantity{}".format(property_type),
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**{"Name": name, "{}Value".format(property_type): value},
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)
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)
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return properties
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def extend_qto_with_new_properties(self, new_properties):
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props = list(self.settings["qto"].Quantities) if self.settings["qto"].Quantities else []
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props.extend(new_properties)
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self.settings["qto"].Quantities = props
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def get_canonical_property_type(self, name):
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if not self.qto_template:
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return "Length"
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for prop_template in self.qto_template.HasPropertyTemplates:
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if prop_template.Name != name:
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continue
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return prop_template.TemplateType[2:].lower().capitalize()
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return "Length"
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def get_primary_measure_type(self, name, previous_value=None):
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if not self.qto_template:
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return previous_value.is_a() if previous_value else "IfcLabel"
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for prop_template in self.qto_template.HasPropertyTemplates:
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if prop_template.Name != name:
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continue
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return prop_template.PrimaryMeasureType or "IfcLabel"
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return previous_value.is_a() if previous_value else "IfcLabel"
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