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Dion Moult
68 lines
3.0 KiB
Python
68 lines
3.0 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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class Usecase:
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def __init__(self, file, parent=None, cost_value=None):
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"""Removes a cost value
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The cost value may be assigned either to a cost item, a construction
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resource, or another cost value (i.e. it is a subcomponent of a cost)
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:param parent: The IfcCostItem, IfcConstructionResource, or IfcCostValue
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that the IfcCostValue is assigned to.
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:type parent: ifcopenshell.entity_instance.entity_instance
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:param cost_value: The IfcCostValue that you want to remove
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:type parent: ifcopenshell.entity_instance.entity_instance
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:return: None
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:rtype: None
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Example:
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.. code:: python
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schedule = ifcopenshell.api.run("cost.add_cost_schedule", model)
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item = ifcopenshell.api.run("cost.add_cost_item", model, cost_schedule=schedule)
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# This cost item will have a unit cost of 5 and a volume of 3
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value = ifcopenshell.api.run("cost.add_cost_value", model, parent=item)
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ifcopenshell.api.run("cost.edit_cost_value", model, cost_value=value,
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attributes={"AppliedValue": 5.0})
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ifcopenshell.api.run("cost.remove_cost_value", model, parent=item, cost_value=value)
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"""
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self.file = file
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self.settings = {"parent": parent, "cost_value": cost_value}
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def execute(self):
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if len(self.file.get_inverse(self.settings["cost_value"])) == 1:
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self.file.remove(self.settings["cost_value"])
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# TODO deep purge
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elif self.settings["parent"].is_a("IfcCostItem"):
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values = list(self.settings["parent"].CostValues)
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values.remove(self.settings["cost_value"])
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self.settings["parent"].CostValues = values if values else None
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elif self.settings["parent"].is_a("IfcConstructionResource"):
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values = list(self.settings["parent"].BaseCosts)
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values.remove(self.settings["cost_value"])
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self.settings["parent"].BaseCosts = values if values else None
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elif self.settings["parent"].is_a("IfcCostValue"):
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components = list(self.settings["parent"].Components)
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components.remove(self.settings["cost_value"])
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self.settings["parent"].Components = components if components else None
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