mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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Andrej730
8cfd6b1754
As this information is already provided in type hints and we don't need to maintain it in two places.
70 lines
2.8 KiB
Python
70 lines
2.8 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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def reorder_set_item(
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file: ifcopenshell.file, material_set: ifcopenshell.entity_instance, old_index: int = 0, new_index: int = 0
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) -> None:
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"""Reorders an item in a material set
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In some material sets, the order have meaning, like in a layer set. In
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other cases, it is purely for human convenience.
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:param material_set: The IfcMaterialSet which you want to reorder an
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item in.
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:param old_index: The index of the item you want to move. This starts
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counting from 0.
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:param new_index: The index of the new position the item will move to.
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This starts counting from 0.
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:return: None
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Example:
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.. code:: python
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material_set = ifcopenshell.api.material.add_material_set(model,
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name="Window", set_type="IfcMaterialList")
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aluminium = ifcopenshell.api.material.add_material(model, name="AL01", category="aluminium")
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glass = ifcopenshell.api.material.add_material(model, name="GLZ01", category="glass")
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# Now let's use those materials as two items in our list.
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ifcopenshell.api.material.add_list_item(model, material_list=material_set, material=aluminium)
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ifcopenshell.api.material.add_list_item(model, material_list=material_set, material=glass)
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# Switch the order around, this has no meaning for a list, so this
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# is just for fun.
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ifcopenshell.api.material.reorder_set_item(model,
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material_set=material_set, old_index=0, new_index=1)
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"""
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if material_set.is_a("IfcMaterialConstituentSet"):
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set_name = "MaterialConstituents"
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elif material_set.is_a("IfcMaterialLayerSet"):
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set_name = "MaterialLayers"
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elif material_set.is_a("IfcMaterialProfileSet"):
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set_name = "MaterialProfiles"
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elif material_set.is_a("IfcMaterialList"):
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set_name = "Materials"
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else:
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raise ValueError(f"Unexpected material set type: '{material_set.is_a()}'.")
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items = list(getattr(material_set, set_name) or [])
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items.insert(new_index, items.pop(old_index))
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setattr(material_set, set_name, items)
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