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ea1c99b708
And make all subclasses run its super _update as well to make sure that this gets updated for them. It's necessary for the _createMaterialItem functionality because it needs to add an is_favorite role. Contributes to issue CURA-6600.
169 lines
8.1 KiB
Python
169 lines
8.1 KiB
Python
# Copyright (c) 2019 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 Optional, Dict, Set
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from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
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from UM.Preferences import Preferences
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from UM.Qt.ListModel import ListModel
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import cura.CuraApplication # Imported like this to prevent a circular reference.
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from cura.Machines.ContainerTree import ContainerTree
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from cura.Machines.MaterialNode import MaterialNode
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from cura.Settings.CuraContainerRegistry import CuraContainerRegistry
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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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enabledChanged = 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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# 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, when adding materials or changing their metadata.
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self._machine_manager.activeStackChanged.connect(self._update)
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ContainerTree.getInstance().materialsChanged.connect(self._materialsListChanged)
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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 # type: Optional[Dict[str, MaterialNode]]
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self._favorite_ids = set() # type: Set[str]
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self._enabled = True
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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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def setEnabled(self, enabled):
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if self._enabled != enabled:
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self._enabled = enabled
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if self._enabled:
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# ensure the data is there again.
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self._update()
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self.enabledChanged.emit()
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@pyqtProperty(bool, fset=setEnabled, notify=enabledChanged)
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def enabled(self):
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return self._enabled
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## Triggered when a list of materials changed somewhere in the container
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# tree. This change may trigger an _update() call when the materials
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# changed for the configuration that this model is looking for.
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def _materialsListChanged(self, material: MaterialNode) -> None:
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if material.variant.container_id != self._extruder_stack.variant.getId():
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return
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if material.variant.machine.container_id != cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack().definition.getId():
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return
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self._update()
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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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self._favorite_ids = set(Preferences.getInstance().getValue("cura/favorite_materials").split(";"))
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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 or not self._enabled:
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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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nozzle_name = None
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if extruder_stack.variant.getId() != "empty_variant":
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nozzle_name = extruder_stack.variant.getName()
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# Update the available materials (ContainerNode) for the current active machine and extruder setup.
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materials = ContainerTree.getInstance().machines[global_stack.definition.getId()].variants[nozzle_name].materials
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compatible_material_diameter = str(round(extruder_stack.getCompatibleMaterialDiameter()))
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self._available_materials = {key: material for key, material in materials.items() if material.container.getMetaDataEntry("approximate_diameter") == compatible_material_diameter}
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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_list = CuraContainerRegistry.getInstance().findContainersMetadata(id = container_node.container_id)
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if not metadata_list:
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return None
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metadata = metadata_list[0]
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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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