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97e6354c13
CURA-5834 Material models and the material container on an extruder need to be updated when the extruder's compatible diameter gets changes.
137 lines
6.0 KiB
Python
137 lines
6.0 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 PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
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from UM.Qt.ListModel import ListModel
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## This is the base model class for GenericMaterialsModel and MaterialBrandsModel.
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# Those 2 models are used by the material drop down menu to show generic materials and branded materials separately.
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# The extruder position defined here is being used to bound a menu to the correct extruder. This is used in the top
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# bar menu "Settings" -> "Extruder nr" -> "Material" -> this menu
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class BaseMaterialsModel(ListModel):
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extruderPositionChanged = pyqtSignal()
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def __init__(self, parent = None):
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super().__init__(parent)
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from cura.CuraApplication import CuraApplication
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self._application = CuraApplication.getInstance()
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# Make these managers available to all material models
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self._container_registry = self._application.getInstance().getContainerRegistry()
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self._machine_manager = self._application.getMachineManager()
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self._material_manager = self._application.getMaterialManager()
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# Update the stack and the model data when the machine changes
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self._machine_manager.globalContainerChanged.connect(self._updateExtruderStack)
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# Update this model when switching machines
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self._machine_manager.activeStackChanged.connect(self._update)
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# Update this model when list of materials changes
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self._material_manager.materialsUpdated.connect(self._update)
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self.addRoleName(Qt.UserRole + 1, "root_material_id")
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self.addRoleName(Qt.UserRole + 2, "id")
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self.addRoleName(Qt.UserRole + 3, "GUID")
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self.addRoleName(Qt.UserRole + 4, "name")
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self.addRoleName(Qt.UserRole + 5, "brand")
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self.addRoleName(Qt.UserRole + 6, "description")
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self.addRoleName(Qt.UserRole + 7, "material")
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self.addRoleName(Qt.UserRole + 8, "color_name")
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self.addRoleName(Qt.UserRole + 9, "color_code")
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self.addRoleName(Qt.UserRole + 10, "density")
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self.addRoleName(Qt.UserRole + 11, "diameter")
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self.addRoleName(Qt.UserRole + 12, "approximate_diameter")
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self.addRoleName(Qt.UserRole + 13, "adhesion_info")
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self.addRoleName(Qt.UserRole + 14, "is_read_only")
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self.addRoleName(Qt.UserRole + 15, "container_node")
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self.addRoleName(Qt.UserRole + 16, "is_favorite")
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self._extruder_position = 0
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self._extruder_stack = None
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self._available_materials = None
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self._favorite_ids = None
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def _updateExtruderStack(self):
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global_stack = self._machine_manager.activeMachine
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if global_stack is None:
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return
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if self._extruder_stack is not None:
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self._extruder_stack.pyqtContainersChanged.disconnect(self._update)
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self._extruder_stack.approximateMaterialDiameterChanged.disconnect(self._update)
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self._extruder_stack = global_stack.extruders.get(str(self._extruder_position))
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if self._extruder_stack is not None:
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self._extruder_stack.pyqtContainersChanged.connect(self._update)
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self._extruder_stack.approximateMaterialDiameterChanged.connect(self._update)
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# Force update the model when the extruder stack changes
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self._update()
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def setExtruderPosition(self, position: int):
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if self._extruder_stack is None or self._extruder_position != position:
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self._extruder_position = position
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self._updateExtruderStack()
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self.extruderPositionChanged.emit()
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@pyqtProperty(int, fset = setExtruderPosition, notify = extruderPositionChanged)
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def extruderPosition(self) -> int:
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return self._extruder_position
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## This is an abstract method that needs to be implemented by the specific
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# models themselves.
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def _update(self):
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pass
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## This method is used by all material models in the beginning of the
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# _update() method in order to prevent errors. It's the same in all models
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# so it's placed here for easy access.
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def _canUpdate(self):
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global_stack = self._machine_manager.activeMachine
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if global_stack is None:
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return False
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extruder_position = str(self._extruder_position)
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if extruder_position not in global_stack.extruders:
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return False
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extruder_stack = global_stack.extruders[extruder_position]
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self._available_materials = self._material_manager.getAvailableMaterialsForMachineExtruder(global_stack, extruder_stack)
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if self._available_materials is None:
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return False
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return True
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## This is another convenience function which is shared by all material
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# models so it's put here to avoid having so much duplicated code.
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def _createMaterialItem(self, root_material_id, container_node):
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metadata = container_node.getMetadata()
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item = {
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"root_material_id": root_material_id,
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"id": metadata["id"],
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"container_id": metadata["id"], # TODO: Remove duplicate in material manager qml
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"GUID": metadata["GUID"],
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"name": metadata["name"],
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"brand": metadata["brand"],
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"description": metadata["description"],
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"material": metadata["material"],
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"color_name": metadata["color_name"],
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"color_code": metadata.get("color_code", ""),
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"density": metadata.get("properties", {}).get("density", ""),
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"diameter": metadata.get("properties", {}).get("diameter", ""),
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"approximate_diameter": metadata["approximate_diameter"],
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"adhesion_info": metadata["adhesion_info"],
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"is_read_only": self._container_registry.isReadOnly(metadata["id"]),
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"container_node": container_node,
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"is_favorite": root_material_id in self._favorite_ids
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}
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return item
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