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https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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56a5f59964
I was hoping to completely nix the generic materials model (since it's basically just a brand "Generic", but then in the QML it has to be have the same in terms of sub-menus or fold-outs and that looked stupid (Generic -> ABS -> ABS)). So we keep that one for now. It is cleaner though. Contributes to CURA-5162, CURA-5378
104 lines
4.1 KiB
Python
104 lines
4.1 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._extruder_manager = self._application.getExtruderManager()
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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, "material")
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self.addRoleName(Qt.UserRole + 7, "color_name")
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self.addRoleName(Qt.UserRole + 8, "color_code")
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self.addRoleName(Qt.UserRole + 9, "container_node")
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self.addRoleName(Qt.UserRole + 10, "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 = 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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# 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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