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- from typing import Any, Dict, Optional, TYPE_CHECKING
- from PyQt5.QtCore import Qt, QObject, pyqtSlot
- from UM.i18n import i18nCatalog
- class MachineSettingsManager(QObject):
- def __init__(self, parent: Optional["QObject"] = None) -> None:
- super().__init__(parent)
- self._i18n_catalog = i18nCatalog("cura")
- from cura.CuraApplication import CuraApplication
- self._application = CuraApplication.getInstance()
- # Force rebuilding the build volume by reloading the global container stack. This is a bit of a hack, but it seems
- # quite enough.
- @pyqtSlot()
- def forceUpdate(self) -> None:
- self._application.getMachineManager().globalContainerChanged.emit()
- # Function for the Machine Settings panel (QML) to update the compatible material diameter after a user has changed
- # an extruder's compatible material diameter. This ensures that after the modification, changes can be notified
- # and updated right away.
- @pyqtSlot(int)
- def updateMaterialForDiameter(self, extruder_position: int):
- # Updates the material container to a material that matches the material diameter set for the printer
- self._application.getMachineManager().updateMaterialWithVariant(str(extruder_position))
- # FIXME(Lipu): Better document what this function does, especially the fuzzy gcode flavor and has_materials logic
- # regarding UM2 and UM2+
- # Function for the Machine Settings panel (QML) to update after the usre changes "Number of Extruders".
- @pyqtSlot()
- def updateHasMaterialsMetadata(self):
- machine_manager = self._application.getMachineManager()
- material_manager = self._application.getMaterialManager()
- global_stack = material_manager.activeMachine
- definition = global_stack.definition
- if definition.getProperty("machine_gcode_flavor", "value") != "UltiGCode" or definition.getMetaDataEntry(
- "has_materials", False):
- # In other words: only continue for the UM2 (extended), but not for the UM2+
- return
- extruder_positions = list(global_stack.extruders.keys())
- has_materials = global_stack.getProperty("machine_gcode_flavor", "value") != "UltiGCode"
- material_node = None
- if has_materials:
- global_stack.setMetaDataEntry("has_materials", True)
- else:
- # The metadata entry is stored in an ini, and ini files are parsed as strings only.
- # Because any non-empty string evaluates to a boolean True, we have to remove the entry to make it False.
- if "has_materials" in global_stack.getMetaData():
- global_stack.removeMetaDataEntry("has_materials")
- # set materials
- for position in extruder_positions:
- if has_materials:
- material_node = material_manager.getDefaultMaterial(global_stack, position, None)
- machine_manager.setMaterial(position, material_node)
- self.forceUpdate()
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