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71 lines
3.1 KiB
Python
71 lines
3.1 KiB
Python
# Copyright (c) 2018 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, Optional
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from UM.Application import Application
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from UM.Decorators import override
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from UM.Settings.Interfaces import PropertyEvaluationContext
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from UM.Settings.SettingInstance import InstanceState
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from .CuraContainerStack import CuraContainerStack
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class PerObjectContainerStack(CuraContainerStack):
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@override(CuraContainerStack)
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def getProperty(self, key: str, property_name: str, context: Optional[PropertyEvaluationContext] = None) -> Any:
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if context is None:
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context = PropertyEvaluationContext()
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context.pushContainer(self)
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global_stack = Application.getInstance().getGlobalContainerStack()
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if not global_stack:
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return None
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# Return the user defined value if present, otherwise, evaluate the value according to the default routine.
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if self.getContainer(0).hasProperty(key, property_name):
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if self.getContainer(0).getProperty(key, "state") == InstanceState.User:
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result = super().getProperty(key, property_name, context)
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context.popContainer()
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return result
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# Handle the "limit_to_extruder" property.
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limit_to_extruder = super().getProperty(key, "limit_to_extruder", context)
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if limit_to_extruder is not None:
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limit_to_extruder = str(limit_to_extruder)
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# if this stack has the limit_to_extruder "not overridden", use the original limit_to_extruder as the current
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# limit_to_extruder, so the values retrieved will be from the perspective of the original limit_to_extruder
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# stack.
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if limit_to_extruder == "-1":
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if "original_limit_to_extruder" in context.context:
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limit_to_extruder = context.context["original_limit_to_extruder"]
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if limit_to_extruder is not None and limit_to_extruder != "-1" and limit_to_extruder in global_stack.extruders:
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# set the original limit_to_extruder if this is the first stack that has a non-overridden limit_to_extruder
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if "original_limit_to_extruder" not in context.context:
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context.context["original_limit_to_extruder"] = limit_to_extruder
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if super().getProperty(key, "settable_per_extruder", context):
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result = global_stack.extruders[str(limit_to_extruder)].getProperty(key, property_name, context)
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if result is not None:
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context.popContainer()
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return result
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result = super().getProperty(key, property_name, context)
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context.popContainer()
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return result
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@override(CuraContainerStack)
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def setNextStack(self, stack: CuraContainerStack) -> None:
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super().setNextStack(stack)
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# trigger signal to re-evaluate all default settings
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for key in self.getContainer(0).getAllKeys():
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# only evaluate default settings
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if self.getContainer(0).getProperty(key, "state") != InstanceState.Default:
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continue
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self._collectPropertyChanges(key, "value")
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self._emitCollectedPropertyChanges()
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