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- # Copyright (c) 2017 Ultimaker B.V.
- # Cura is released under the terms of the LGPLv3 or higher.
- from UM.Settings.ContainerRegistry import ContainerRegistry #To listen for changes to the materials.
- from UM.Settings.Models.InstanceContainersModel import InstanceContainersModel #We're extending this class.
- ## A model that shows a list of currently valid materials.
- class MaterialsModel(InstanceContainersModel):
- def __init__(self, parent = None):
- super().__init__(parent)
- ContainerRegistry.getInstance().containerMetaDataChanged.connect(self._onContainerMetaDataChanged)
- ## Called when the metadata of the container was changed.
- #
- # This makes sure that we only update when it was a material that changed.
- #
- # \param container The container whose metadata was changed.
- def _onContainerMetaDataChanged(self, container):
- if container.getMetaDataEntry("type") == "material": #Only need to update if a material was changed.
- self._update()
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