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# Copyright (c) 2017 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from UM.Application import Application
from cura.QualityManager import QualityManager
from cura.Settings.ProfilesModel import ProfilesModel
from cura.Settings.ExtruderManager import ExtruderManager
## QML Model for listing the current list of valid quality changes profiles.
#
class UserProfilesModel(ProfilesModel):
def __init__(self, parent = None):
super().__init__(parent)
## Fetch the list of containers to display.
#
# See UM.Settings.Models.InstanceContainersModel._fetchInstanceContainers().
def _fetchInstanceContainers(self):
global_container_stack = Application.getInstance().getGlobalContainerStack()
if not global_container_stack:
return []
# Fetch the list of quality changes.
quality_manager = QualityManager.getInstance()
machine_definition = quality_manager.getParentMachineDefinition(global_container_stack.getBottom())
quality_changes_list = quality_manager.findAllQualityChangesForMachine(machine_definition)
# Detecting if the machine has multiple extrusion
multiple_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
# Get the list of extruders and place the selected extruder at the front of the list.
extruder_manager = ExtruderManager.getInstance()
active_extruder = extruder_manager.getActiveExtruderStack()
extruder_stacks = extruder_manager.getActiveExtruderStacks()
if multiple_extrusion:
# Place the active extruder at the front of the list.
# This is a workaround checking if there is an active_extruder or not before moving it to the front of the list.
# Actually, when a printer has multiple extruders, should exist always an active_extruder. However, in some
# cases the active_extruder is still None.
if active_extruder in extruder_stacks:
extruder_stacks.remove(active_extruder)
new_extruder_stacks = []
if active_extruder is not None:
new_extruder_stacks = [active_extruder]
else:
# if there is no active extruder, use the first one in the active extruder stacks
active_extruder = extruder_stacks[0]
extruder_stacks = new_extruder_stacks + extruder_stacks
# Fetch the list of useable qualities across all extruders.
# The actual list of quality profiles come from the first extruder in the extruder list.
quality_list = quality_manager.findAllUsableQualitiesForMachineAndExtruders(global_container_stack,
extruder_stacks)
# Filter the quality_change by the list of available quality_types
quality_type_set = set([x.getMetaDataEntry("quality_type") for x in quality_list])
if multiple_extrusion:
# If the printer has multiple extruders then quality changes related to the current extruder are kept
filtered_quality_changes = [qc for qc in quality_changes_list if qc.getMetaDataEntry("quality_type") in quality_type_set and
qc.getMetaDataEntry("extruder") is not None and
(qc.getMetaDataEntry("extruder") == active_extruder.definition.getMetaDataEntry("quality_definition") or
qc.getMetaDataEntry("extruder") == active_extruder.definition.getId())]
else:
# If not, the quality changes of the global stack are selected
filtered_quality_changes = [qc for qc in quality_changes_list if qc.getMetaDataEntry("quality_type") in quality_type_set and
qc.getMetaDataEntry("extruder") is None]
return filtered_quality_changes
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