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46cf7aafa9
You can now be assured that there is ALWAYS at least one child node, except for child nodes of intent profiles which don't exist. Contributes to issue CURA-6600.
96 lines
No EOL
5.1 KiB
Python
96 lines
No EOL
5.1 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 typing import Any, TYPE_CHECKING
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from UM.Settings.ContainerRegistry import ContainerRegistry
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from UM.Settings.Interfaces import ContainerInterface
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from UM.Signal import Signal
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from cura.Machines.ContainerNode import ContainerNode
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from cura.Machines.QualityNode import QualityNode
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if TYPE_CHECKING:
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from typing import Dict
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from cura.Machines.VariantNode import VariantNode
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## Represents a material in the container tree.
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#
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# Its subcontainers are quality profiles.
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class MaterialNode(ContainerNode):
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def __init__(self, container_id, variant: "VariantNode") -> None:
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super().__init__(container_id)
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self.variant = variant
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self.qualities = {} # type: Dict[str, QualityNode] # Mapping container IDs to quality profiles.
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self.materialChanged = Signal() # Triggered when the material is removed or its metadata is updated.
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container_registry = ContainerRegistry.getInstance()
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my_metadata = container_registry.findContainersMetadata(id = container_id)[0]
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self.base_file = my_metadata["base_file"]
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self.material_type = my_metadata["material"]
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self.guid = my_metadata["GUID"]
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self._loadAll()
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container_registry.containerRemoved.connect(self._onRemoved)
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container_registry.containerMetaDataChanged.connect(self._onMetadataChanged)
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def _loadAll(self) -> None:
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container_registry = ContainerRegistry.getInstance()
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# Find all quality profiles that fit on this material.
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if not self.variant.machine.has_machine_quality: # Need to find the global qualities.
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qualities = container_registry.findInstanceContainersMetadata(type = "quality", definition = "fdmprinter")
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else:
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# Need to find the qualities that specify a material profile with the same material type.
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my_material_type = self.material_type
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qualities = []
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qualities_any_material = container_registry.findInstanceContainersMetadata(type = "quality", definition = self.variant.machine.quality_definition, variant = self.variant.variant_name)
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for material_metadata in container_registry.findInstanceContainersMetadata(type = "material", material = my_material_type):
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qualities.extend((quality for quality in qualities_any_material if quality["material"] == material_metadata["id"]))
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if not qualities: # No quality profiles found. Go by GUID then.
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my_guid = self.guid
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for material_metadata in container_registry.findInstanceContainersMetadata(type = "material", guid = my_guid):
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qualities.extend((quality for quality in qualities_any_material if quality["material"] == material_metadata["id"]))
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for quality in qualities:
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quality_id = quality["id"]
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if quality_id not in self.qualities:
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self.qualities[quality_id] = QualityNode(quality_id, parent = self)
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if not self.qualities:
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self.qualities["empty_quality"] = QualityNode("empty_quality", parent = self)
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## Triggered when any container is removed, but only handles it when the
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# container is removed that this node represents.
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# \param container The container that was allegedly removed.
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def _onRemoved(self, container: ContainerInterface) -> None:
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if container.getId() == self.container_id:
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# Remove myself from my parent.
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if self.base_file in self.variant.materials:
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del self.variant.materials[self.base_file]
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if not self.variant.materials:
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self.variant.materials["empty_material"] = MaterialNode("empty_material", variant = self.variant)
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self.materialChanged.emit(self)
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## Triggered when any metadata changed in any container, but only handles
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# it when the metadata of this node is changed.
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# \param container The container whose metadata changed.
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# \param kwargs Key-word arguments provided when changing the metadata.
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# These are ignored. As far as I know they are never provided to this
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# call.
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def _onMetadataChanged(self, container: ContainerInterface, **kwargs: Any) -> None:
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if container.getId() != self.container_id:
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return
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new_metadata = container.getMetaData()
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old_base_file = self.base_file
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if new_metadata["base_file"] != old_base_file:
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self.base_file = new_metadata["base_file"]
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if old_base_file in self.variant.materials: # Move in parent node.
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del self.variant.materials[old_base_file]
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self.variant.materials[self.base_file] = self
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old_material_type = self.material_type
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self.material_type = new_metadata["material"]
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old_guid = self.guid
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self.guid = new_metadata["GUID"]
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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.
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self.qualities = {}
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self._loadAll() # Re-load the quality profiles for this node.
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self.materialChanged.emit(self) |