First Commit

2026-05-31 10:17:09 +07:00
commit 17a9c69379
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+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2021-2022 Dion Moult <dion@thinkmoult.com>, Yassine Oualid <yassine@sigmadimensions.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+import ifcopenshell
+
+
+def reorder_nesting(
+    file: ifcopenshell.file, item: ifcopenshell.entity_instance, old_index: int = 0, new_index: int = 0
+) -> None:
+    """Reorders an item in a nesting set"""
+    if not item.Nests:
+        return
+    nesting_set = item.Nests[0]
+    if not old_index:
+        old_index = nesting_set.RelatedObjects.index(item)
+    items = list(getattr(nesting_set, "RelatedObjects") or [])
+    items.insert(new_index, items.pop(old_index))
+    setattr(nesting_set, "RelatedObjects", items)