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Add function to find preferred material for configuration of printer/nozzle

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This is supposed to replace the material manager's getDefaultMaterial function.

Contributes to issue CURA-6600.
This commit is contained in:
Ghostkeeper 2019-08-22 15:34:24 +02:00
parent 7b83e51439
commit 295ad564c0
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1 changed files with 17 additions and 1 deletions
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18
cura/Machines/VariantNode.py
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@ -1,11 +1,12 @@
# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from typing import TYPE_CHECKING
from typing import Optional, TYPE_CHECKING
from UM.Settings.ContainerRegistry import ContainerRegistry
from UM.Settings.Interfaces import ContainerInterface
from UM.Signal import Signal
from UM.Util import parseBool
from cura.Machines.ContainerNode import ContainerNode
from cura.Machines.MaterialNode import MaterialNode
@ -60,6 +61,21 @@ class VariantNode(ContainerNode):
self.materials[base_file] = MaterialNode(material["id"], variant = self)
self.materials[base_file].materialChanged.connect(self.materialsChanged)
## Finds the preferred material for this printer with this nozzle in one of
# the extruders.
#
# If there is no material here (because the printer has no materials or
# because there are no matching material profiles), None is returned.
# \param approximate_diameter The desired approximate diameter of the
# material.
# \return The node for the preferred material, or None if there is no
# match.
def preferredMaterial(self, approximate_diameter) -> Optional[MaterialNode]:
for base_material, material_node in self.materials.items():
if self.machine.preferred_material in base_material and approximate_diameter == int(material_node.getMetaDataEntry("approximate_diameter")):
return material_node
return None
## When a material gets added to the set of profiles, we need to update our
# tree here.
def _materialAdded(self, container: ContainerInterface):