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- # Copyright (c) 2019 Ultimaker B.V.
- # Cura is released under the terms of the LGPLv3 or higher.
- from typing import Any, TYPE_CHECKING
- from UM.Settings.ContainerRegistry import ContainerRegistry
- from UM.Settings.Interfaces import ContainerInterface
- from UM.Signal import Signal
- from cura.Machines.ContainerNode import ContainerNode
- from cura.Machines.QualityNode import QualityNode
- if TYPE_CHECKING:
- from typing import Dict
- from cura.Machines.VariantNode import VariantNode
- ## Represents a material in the container tree.
- #
- # Its subcontainers are quality profiles.
- class MaterialNode(ContainerNode):
- def __init__(self, container_id, variant: "VariantNode") -> None:
- super().__init__(container_id)
- self.variant = variant
- self.qualities = {} # type: Dict[str, QualityNode] # Mapping container IDs to quality profiles.
- self.materialChanged = Signal() # Triggered when the material is removed or its metadata is updated.
- container_registry = ContainerRegistry.getInstance()
- my_metadata = container_registry.findContainersMetadata(id = container_id)[0]
- self.base_file = my_metadata["base_file"]
- self.material_type = my_metadata["material"]
- self.guid = my_metadata["GUID"]
- self._loadAll()
- container_registry.containerRemoved.connect(self._onRemoved)
- container_registry.containerMetaDataChanged.connect(self._onMetadataChanged)
- def _loadAll(self) -> None:
- container_registry = ContainerRegistry.getInstance()
- # Find all quality profiles that fit on this material.
- if not self.variant.machine.has_machine_quality: # Need to find the global qualities.
- qualities = container_registry.findInstanceContainersMetadata(type = "quality", definition = "fdmprinter")
- else:
- # Need to find the qualities that specify a material profile with the same material type.
- my_material_type = self.material_type
- qualities = []
- qualities_any_material = container_registry.findInstanceContainersMetadata(type = "quality", definition = self.variant.machine.quality_definition, variant = self.variant.variant_name)
- for material_metadata in container_registry.findInstanceContainersMetadata(type = "material", material = my_material_type):
- qualities.extend((quality for quality in qualities_any_material if quality["material"] == material_metadata["id"]))
- if not qualities: # No quality profiles found. Go by GUID then.
- my_guid = self.guid
- for material_metadata in container_registry.findInstanceContainersMetadata(type = "material", guid = my_guid):
- qualities.extend((quality for quality in qualities_any_material if quality["material"] == material_metadata["id"]))
- for quality in qualities:
- quality_id = quality["id"]
- if quality_id not in self.qualities:
- self.qualities[quality_id] = QualityNode(quality_id, parent = self)
- if not self.qualities:
- self.qualities["empty_quality"] = QualityNode("empty_quality", parent = self)
- ## Triggered when any container is removed, but only handles it when the
- # container is removed that this node represents.
- # \param container The container that was allegedly removed.
- def _onRemoved(self, container: ContainerInterface) -> None:
- if container.getId() == self.container_id:
- # Remove myself from my parent.
- if self.base_file in self.variant.materials:
- del self.variant.materials[self.base_file]
- if not self.variant.materials:
- self.variant.materials["empty_material"] = MaterialNode("empty_material", variant = self.variant)
- self.materialChanged.emit(self)
- ## Triggered when any metadata changed in any container, but only handles
- # it when the metadata of this node is changed.
- # \param container The container whose metadata changed.
- # \param kwargs Key-word arguments provided when changing the metadata.
- # These are ignored. As far as I know they are never provided to this
- # call.
- def _onMetadataChanged(self, container: ContainerInterface, **kwargs: Any) -> None:
- if container.getId() != self.container_id:
- return
- new_metadata = container.getMetaData()
- old_base_file = self.base_file
- if new_metadata["base_file"] != old_base_file:
- self.base_file = new_metadata["base_file"]
- if old_base_file in self.variant.materials: # Move in parent node.
- del self.variant.materials[old_base_file]
- self.variant.materials[self.base_file] = self
- old_material_type = self.material_type
- self.material_type = new_metadata["material"]
- old_guid = self.guid
- self.guid = new_metadata["GUID"]
- if self.base_file != old_base_file or self.material_type != old_material_type or self.guid != old_guid: # List of quality profiles could've changed.
- self.qualities = {}
- self._loadAll() # Re-load the quality profiles for this node.
- self.materialChanged.emit(self)
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