123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213 |
- from typing import Dict, Set
- from PyQt6.QtCore import Qt, QTimer, pyqtSignal, pyqtProperty
- from UM.Qt.ListModel import ListModel
- from UM.Logger import Logger
- import cura.CuraApplication
- from cura.Machines.ContainerTree import ContainerTree
- from cura.Machines.MaterialNode import MaterialNode
- from cura.Settings.CuraContainerRegistry import CuraContainerRegistry
- class BaseMaterialsModel(ListModel):
- """This is the base model class for GenericMaterialsModel and MaterialBrandsModel.
- Those 2 models are used by the material drop down menu to show generic materials and branded materials
- separately. The extruder position defined here is being used to bound a menu to the correct extruder. This is
- used in the top bar menu "Settings" -> "Extruder nr" -> "Material" -> this menu
- """
- extruderPositionChanged = pyqtSignal()
- enabledChanged = pyqtSignal()
- def __init__(self, parent = None):
- super().__init__(parent)
- from cura.CuraApplication import CuraApplication
- self._application = CuraApplication.getInstance()
- self._available_materials = {}
- self._favorite_ids = set()
-
- self._container_registry = self._application.getInstance().getContainerRegistry()
- self._machine_manager = self._application.getMachineManager()
- self._extruder_position = 0
- self._extruder_stack = None
- self._enabled = True
-
-
-
-
-
-
- self._update_timer = QTimer(self)
- self._update_timer.setInterval(100)
- self._update_timer.setSingleShot(True)
- self._update_timer.timeout.connect(self._update)
-
- self._machine_manager.globalContainerChanged.connect(self._updateExtruderStack)
- self._updateExtruderStack()
-
- self._machine_manager.activeStackChanged.connect(self._onChanged)
- ContainerTree.getInstance().materialsChanged.connect(self._materialsListChanged)
- self._application.getMaterialManagementModel().favoritesChanged.connect(self._onChanged)
- self.addRoleName(Qt.ItemDataRole.UserRole + 1, "root_material_id")
- self.addRoleName(Qt.ItemDataRole.UserRole + 2, "id")
- self.addRoleName(Qt.ItemDataRole.UserRole + 3, "GUID")
- self.addRoleName(Qt.ItemDataRole.UserRole + 4, "name")
- self.addRoleName(Qt.ItemDataRole.UserRole + 5, "brand")
- self.addRoleName(Qt.ItemDataRole.UserRole + 6, "description")
- self.addRoleName(Qt.ItemDataRole.UserRole + 7, "material")
- self.addRoleName(Qt.ItemDataRole.UserRole + 8, "color_name")
- self.addRoleName(Qt.ItemDataRole.UserRole + 9, "color_code")
- self.addRoleName(Qt.ItemDataRole.UserRole + 10, "density")
- self.addRoleName(Qt.ItemDataRole.UserRole + 11, "diameter")
- self.addRoleName(Qt.ItemDataRole.UserRole + 12, "approximate_diameter")
- self.addRoleName(Qt.ItemDataRole.UserRole + 13, "adhesion_info")
- self.addRoleName(Qt.ItemDataRole.UserRole + 14, "is_read_only")
- self.addRoleName(Qt.ItemDataRole.UserRole + 15, "container_node")
- self.addRoleName(Qt.ItemDataRole.UserRole + 16, "is_favorite")
- def _onChanged(self) -> None:
- self._update_timer.start()
- def _updateExtruderStack(self):
- global_stack = self._machine_manager.activeMachine
- if global_stack is None:
- return
- if self._extruder_stack is not None:
- self._extruder_stack.pyqtContainersChanged.disconnect(self._onChanged)
- self._extruder_stack.approximateMaterialDiameterChanged.disconnect(self._onChanged)
- try:
- self._extruder_stack = global_stack.extruderList[self._extruder_position]
- except IndexError:
- self._extruder_stack = None
- if self._extruder_stack is not None:
- self._extruder_stack.pyqtContainersChanged.connect(self._onChanged)
- self._extruder_stack.approximateMaterialDiameterChanged.connect(self._onChanged)
-
- self._onChanged()
- def setExtruderPosition(self, position: int):
- if self._extruder_stack is None or self._extruder_position != position:
- self._extruder_position = position
- self._updateExtruderStack()
- self.extruderPositionChanged.emit()
- @pyqtProperty(int, fset = setExtruderPosition, notify = extruderPositionChanged)
- def extruderPosition(self) -> int:
- return self._extruder_position
- def setEnabled(self, enabled):
- if self._enabled != enabled:
- self._enabled = enabled
- if self._enabled:
-
- self._onChanged()
- self.enabledChanged.emit()
- @pyqtProperty(bool, fset = setEnabled, notify = enabledChanged)
- def enabled(self):
- return self._enabled
- def _materialsListChanged(self, material: MaterialNode) -> None:
- """Triggered when a list of materials changed somewhere in the container
- tree. This change may trigger an _update() call when the materials changed for the configuration that this
- model is looking for.
- """
- if self._extruder_stack is None:
- return
- if material.variant.container_id != self._extruder_stack.variant.getId():
- return
- global_stack = cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack()
- if not global_stack:
- return
- if material.variant.machine.container_id != global_stack.definition.getId():
- return
- self._onChanged()
- def _favoritesChanged(self, material_base_file: str) -> None:
- """Triggered when the list of favorite materials is changed."""
- if material_base_file in self._available_materials:
- self._onChanged()
- def _update(self):
- """This is an abstract method that needs to be implemented by the specific models themselves. """
- self._favorite_ids = set(cura.CuraApplication.CuraApplication.getInstance().getPreferences().getValue("cura/favorite_materials").split(";"))
-
- global_stack = cura.CuraApplication.CuraApplication.getInstance().getGlobalContainerStack()
- if not global_stack or not global_stack.hasMaterials:
- return
- extruder_list = global_stack.extruderList
- if self._extruder_position > len(extruder_list):
- return
- extruder_stack = extruder_list[self._extruder_position]
- nozzle_name = extruder_stack.variant.getName()
- machine_node = ContainerTree.getInstance().machines[global_stack.definition.getId()]
- if nozzle_name not in machine_node.variants:
- Logger.log("w", "Unable to find variant %s in container tree", nozzle_name)
- self._available_materials = {}
- return
- materials = machine_node.variants[nozzle_name].materials
- approximate_material_diameter = extruder_stack.getApproximateMaterialDiameter()
- self._available_materials = {key: material for key, material in materials.items() if float(material.getMetaDataEntry("approximate_diameter", -1)) == approximate_material_diameter}
- def _canUpdate(self):
- """This method is used by all material models in the beginning of the _update() method in order to prevent
- errors. It's the same in all models so it's placed here for easy access. """
- global_stack = self._machine_manager.activeMachine
- if global_stack is None or not self._enabled:
- return False
- if self._extruder_position >= len(global_stack.extruderList):
- return False
- return True
- def _createMaterialItem(self, root_material_id, container_node):
- """This is another convenience function which is shared by all material models so it's put here to avoid having
- so much duplicated code. """
- metadata_list = CuraContainerRegistry.getInstance().findContainersMetadata(id = container_node.container_id)
- if not metadata_list:
- return None
- metadata = metadata_list[0]
- item = {
- "root_material_id": root_material_id,
- "id": metadata["id"],
- "container_id": metadata["id"],
- "GUID": metadata["GUID"],
- "name": metadata["name"],
- "brand": metadata["brand"],
- "description": metadata["description"],
- "material": metadata["material"],
- "color_name": metadata["color_name"],
- "color_code": metadata.get("color_code", ""),
- "density": metadata.get("properties", {}).get("density", ""),
- "diameter": metadata.get("properties", {}).get("diameter", ""),
- "approximate_diameter": metadata["approximate_diameter"],
- "adhesion_info": metadata["adhesion_info"],
- "is_read_only": self._container_registry.isReadOnly(metadata["id"]),
- "container_node": container_node,
- "is_favorite": root_material_id in self._favorite_ids
- }
- return item
|