Cura/cura/Machines/Models/BaseMaterialsModel.py
2018-03-06 15:27:05 +01:00

71 lines
2.6 KiB
Python

# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from PyQt5.QtCore import Qt, pyqtSignal, pyqtProperty
from UM.Application import Application
from UM.Qt.ListModel import ListModel
#
# This is the base model class for GenericMaterialsModel and BrandMaterialsModel
# 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
#
class BaseMaterialsModel(ListModel):
RootMaterialIdRole = Qt.UserRole + 1
IdRole = Qt.UserRole + 2
NameRole = Qt.UserRole + 3
BrandRole = Qt.UserRole + 4
MaterialRole = Qt.UserRole + 5
ColorRole = Qt.UserRole + 6
ContainerNodeRole = Qt.UserRole + 7
extruderPositionChanged = pyqtSignal()
def __init__(self, parent = None):
super().__init__(parent)
self._application = Application.getInstance()
self._machine_manager = self._application.getMachineManager()
self.addRoleName(self.RootMaterialIdRole, "root_material_id")
self.addRoleName(self.IdRole, "id")
self.addRoleName(self.NameRole, "name")
self.addRoleName(self.BrandRole, "brand")
self.addRoleName(self.MaterialRole, "material")
self.addRoleName(self.ColorRole, "color_name")
self.addRoleName(self.ContainerNodeRole, "container_node")
self._extruder_position = 0
self._extruder_stack = None
self._machine_manager.globalContainerChanged.connect(self._updateExtruderStack)
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._update)
self._extruder_stack = global_stack.extruders.get(str(self._extruder_position))
if self._extruder_stack is not None:
self._extruder_stack.pyqtContainersChanged.connect(self._update)
def setExtruderPosition(self, position: int):
if 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
#
# This is an abstract method that needs to be implemented by
#
def _update(self):
pass