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Dion Moult
73 lines
3.3 KiB
Python
73 lines
3.3 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, material_set=None, old_index=0, new_index=0):
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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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:type material_set: ifcopenshell.entity_instance.entity_instance
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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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:type old_index: int
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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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:type new_index: int
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:return: None
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:rtype: None
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Example::
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material_set = ifcopenshell.api.run("material.add_material_set", model,
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name="Window", set_type="IfcMaterialList")
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aluminium = ifcopenshell.api.run("material.add_material", model, name="AL01", category="aluminium")
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glass = ifcopenshell.api.run("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.run("material.add_list_item", model, material_list=material_set, material=aluminium)
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ifcopenshell.api.run("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.run("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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self.file = file
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self.settings = {"material_set": material_set, "old_index": old_index, "new_index": new_index}
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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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if self.settings["material_set"].is_a("IfcMaterialConstituentSet"):
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set_name = "MaterialConstituents"
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elif self.settings["material_set"].is_a("IfcMaterialLayerSet"):
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set_name = "MaterialLayers"
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elif self.settings["material_set"].is_a("IfcMaterialProfileSet"):
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set_name = "MaterialProfiles"
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elif self.settings["material_set"].is_a("IfcMaterialList"):
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set_name = "Materials"
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items = list(getattr(self.settings["material_set"], set_name) or [])
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items.insert(self.settings["new_index"], items.pop(self.settings["old_index"]))
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setattr(self.settings["material_set"], set_name, items)
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