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https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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208 lines
11 KiB
Python
208 lines
11 KiB
Python
# Copyright (c) 2016 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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from PyQt5.QtCore import pyqtSignal, pyqtProperty, pyqtSlot, QObject, QVariant #For communicating data and events to Qt.
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import UM.Application #To get the global container stack to find the current machine.
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import UM.Logger
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import UM.Settings.ContainerRegistry #Finding containers by ID.
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## Manages all existing extruder stacks.
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#
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# This keeps a list of extruder stacks for each machine.
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class ExtruderManager(QObject):
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## Signal to notify other components when the list of extruders changes.
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extrudersChanged = pyqtSignal(QVariant)
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## Notify when the user switches the currently active extruder.
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activeExtruderChanged = pyqtSignal()
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## Registers listeners and such to listen to changes to the extruders.
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def __init__(self, parent = None):
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super().__init__(parent)
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self._extruder_trains = { } #Per machine, a dictionary of extruder container stack IDs.
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self._active_extruder_index = 0
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UM.Application.getInstance().globalContainerStackChanged.connect(self._addCurrentMachineExtruders)
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## Gets the unique identifier of the currently active extruder stack.
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#
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# The currently active extruder stack is the stack that is currently being
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# edited.
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#
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# \return The unique ID of the currently active extruder stack.
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@pyqtProperty(str, notify = activeExtruderChanged)
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def activeExtruderStackId(self):
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if not UM.Application.getInstance().getGlobalContainerStack():
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return None #No active machine, so no active extruder.
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try:
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return self._extruder_trains[UM.Application.getInstance().getGlobalContainerStack().getId()][str(self._active_extruder_index)]
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except KeyError: #Extruder index could be -1 if the global tab is selected, or the entry doesn't exist if the machine definition is wrong.
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return None
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## The instance of the singleton pattern.
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#
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# It's None if the extruder manager hasn't been created yet.
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__instance = None
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## Gets an instance of the extruder manager, or creates one if no instance
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# exists yet.
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#
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# This is an implementation of singleton. If an extruder manager already
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# exists, it is re-used.
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#
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# \return The extruder manager.
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@classmethod
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def getInstance(cls):
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if not cls.__instance:
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cls.__instance = ExtruderManager()
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return cls.__instance
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@pyqtSlot(int)
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def setActiveExtruderIndex(self, index):
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self._active_extruder_index = index
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self.activeExtruderChanged.emit()
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## Adds all extruders of a specific machine definition to the extruder
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# manager.
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#
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# \param machine_definition The machine to add the extruders for.
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def addMachineExtruders(self, machine_definition):
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machine_id = machine_definition.getId()
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if machine_id not in self._extruder_trains:
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self._extruder_trains[machine_id] = { }
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container_registry = UM.Settings.ContainerRegistry.getInstance()
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if not container_registry: #Then we shouldn't have any machine definition either. In any case, there are no extruder trains then so bye bye.
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return
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#Add the extruder trains that don't exist yet.
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for extruder_definition in container_registry.findDefinitionContainers(machine = machine_definition.getId()):
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position = extruder_definition.getMetaDataEntry("position", None)
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if not position:
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UM.Logger.log("w", "Extruder definition %s specifies no position metadata entry.", extruder_definition.getId())
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if not container_registry.findContainerStacks(machine = machine_id, position = position): #Doesn't exist yet.
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self.createExtruderTrain(extruder_definition, machine_definition, position)
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#Gets the extruder trains that we just created as well as any that still existed.
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extruder_trains = container_registry.findContainerStacks(type = "extruder_train", machine = machine_definition.getId())
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for extruder_train in extruder_trains:
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self._extruder_trains[machine_id][extruder_train.getMetaDataEntry("position")] = extruder_train.getId()
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if extruder_trains:
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self.extrudersChanged.emit(machine_definition)
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## Creates a container stack for an extruder train.
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#
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# The container stack has an extruder definition at the bottom, which is
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# linked to a machine definition. Then it has a nozzle profile, a material
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# profile, a quality profile and a user profile, in that order.
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#
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# The resulting container stack is added to the registry.
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#
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# \param extruder_definition The extruder to create the extruder train
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# for.
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# \param machine_definition The machine that the extruder train belongs
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# to.
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# \param position The position of this extruder train in the extruder
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# slots of the machine.
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def createExtruderTrain(self, extruder_definition, machine_definition, position):
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#Cache some things.
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container_registry = UM.Settings.ContainerRegistry.getInstance()
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machine_id = machine_definition.getId()
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#Create a container stack for this extruder.
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extruder_stack_id = container_registry.uniqueName(extruder_definition.getId())
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container_stack = UM.Settings.ContainerStack(extruder_stack_id)
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container_stack.setName(extruder_definition.getName()) #Take over the display name to display the stack with.
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container_stack.addMetaDataEntry("type", "extruder_train")
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container_stack.addMetaDataEntry("machine", machine_definition.getId())
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container_stack.addMetaDataEntry("position", position)
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container_stack.addContainer(extruder_definition)
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#Find the nozzle to use for this extruder.
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nozzle = container_registry.getEmptyInstanceContainer()
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if machine_definition.getMetaDataEntry("has_nozzles", default = "False") == "True":
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#First add any nozzle. Later, overwrite with preference if the preference is valid.
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nozzles = container_registry.findInstanceContainers(machine = machine_id, type = "nozzle")
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if len(nozzles) >= 1:
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nozzle = nozzles[0]
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preferred_nozzle_id = machine_definition.getMetaDataEntry("preferred_nozzle")
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if preferred_nozzle_id:
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preferred_nozzles = container_registry.findInstanceContainers(id = preferred_nozzle_id, type = "nozzle")
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if len(preferred_nozzles) >= 1:
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nozzle = preferred_nozzles[0]
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else:
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UM.Logger.log("w", "The preferred nozzle \"%s\" of machine %s doesn't exist or is not a nozzle profile.", preferred_nozzle_id, machine_id)
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#And leave it at the default nozzle.
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container_stack.addContainer(nozzle)
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#Find a material to use for this nozzle.
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material = container_registry.getEmptyInstanceContainer()
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if machine_definition.getMetaDataEntry("has_materials", default = "False") == "True":
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#First add any material. Later, overwrite with preference if the preference is valid.
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if machine_definition.getMetaDataEntry("has_nozzle_materials", default = "False") == "True":
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materials = container_registry.findInstanceContainers(type = "material", machine = machine_id, nozzle = nozzle.getId())
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else:
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materials = container_registry.findInstanceContainers(type = "material", machine = machine_id)
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if len(materials) >= 1:
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material = materials[0]
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preferred_material_id = machine_definition.getMetaDataEntry("preferred_material")
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if preferred_material_id:
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preferred_materials = container_registry.findInstanceContainers(id = preferred_material_id, type = "material")
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if len(preferred_materials) >= 1:
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material = preferred_materials[0]
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else:
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UM.Logger.log("w", "The preferred material \"%s\" of machine %s doesn't exist or is not a material profile.", preferred_material_id, machine_id)
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#And leave it at the default material.
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container_stack.addContainer(material)
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#Find a quality to use for this extruder.
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quality = container_registry.getEmptyInstanceContainer()
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if machine_definition.getMetaDataEntry("has_machine_quality"):
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#First add any quality. Later, overwrite with preference if the preference is valid.
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qualities = container_registry.findInstanceContainers(type = "quality")
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if len(qualities) >= 1:
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quality = qualities[0]
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preferred_quality_id = machine_definition.getMetaDataEntry("preferred_quality")
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if preferred_quality_id:
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preferred_quality = container_registry.findInstanceContainers(id = preferred_quality_id.lower(), type = "quality")
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if len(preferred_quality) >= 1:
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quality = preferred_quality[0]
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else:
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UM.Logger.log("w", "The preferred quality \"%s\" of machine %s doesn't exist or is not a quality profile.", preferred_quality_id, machine_id)
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#And leave it at the default quality.
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container_stack.addContainer(quality)
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user_profile = container_registry.findInstanceContainers(id = extruder_stack_id + "_current_settings")
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if user_profile: #There was already a user profile, loaded from settings.
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user_profile = user_profile[0]
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else:
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user_profile = UM.Settings.InstanceContainer(extruder_stack_id + "_current_settings") #Add an empty user profile.
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user_profile.addMetaDataEntry("type", "user")
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user_profile.setDefinition(machine_definition)
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container_registry.addContainer(user_profile)
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container_stack.addContainer(user_profile)
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container_stack.setNextStack(UM.Application.getInstance().getGlobalContainerStack())
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container_registry.addContainer(container_stack)
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## Generates extruders for a specific machine.
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def getMachineExtruders(self, machine_definition):
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container_registry = UM.Settings.ContainerRegistry.getInstance()
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machine_id = machine_definition.getId()
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if not machine_id in self._extruder_trains:
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UM.Logger.log("w", "Tried to get the extruder trains for machine %s, which doesn't exist.", machine_id)
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return
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for _,extruder_train_id in self._extruder_trains[machine_id].items():
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extruder_train = container_registry.findContainerStacks(id = extruder_train_id)
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if extruder_train:
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yield extruder_train[0]
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else:
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UM.Logger.log("w", "Machine %s refers to an extruder train with ID %s, which doesn't exist.", machine_id, extruder_train_id)
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## Adds the extruders of the currently active machine.
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def _addCurrentMachineExtruders(self):
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global_stack = UM.Application.getInstance().getGlobalContainerStack()
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if global_stack and global_stack.getBottom():
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self.addMachineExtruders(global_stack.getBottom()) |