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7348c70af6
A performance improvement, especially in the material models. Contributes to issue CURA-6793.
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
# Copyright (c) 2019 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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from cura.Machines.Models.BaseMaterialsModel import BaseMaterialsModel
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import cura.CuraApplication # To listen to changes to the preferences.
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## Model that shows the list of favorite materials.
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class FavoriteMaterialsModel(BaseMaterialsModel):
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def __init__(self, parent = None):
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super().__init__(parent)
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cura.CuraApplication.CuraApplication.getInstance().getPreferences().preferenceChanged.connect(self._onFavoritesChanged)
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self._update()
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## Triggered when any preference changes, but only handles it when the list
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# of favourites is changed.
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def _onFavoritesChanged(self, preference_key: str) -> None:
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if preference_key != "cura/favorite_materials":
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return
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self._update()
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def _update(self):
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if not self._canUpdate():
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return
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super()._update()
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item_list = []
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for root_material_id, container_node in self._available_materials.items():
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# Do not include the materials from a to-be-removed package
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if bool(container_node.getMetaDataEntry("removed", False)):
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continue
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# Only add results for favorite materials
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if root_material_id not in self._favorite_ids:
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continue
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item = self._createMaterialItem(root_material_id, container_node)
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if item:
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item_list.append(item)
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# Sort the item list alphabetically by name
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item_list = sorted(item_list, key = lambda d: d["brand"].upper())
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self.setItems(item_list)
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