Cura/cura/PrinterOutput/Models/ExtruderConfigurationModel.py
2020-05-28 17:13:44 +02:00

92 lines
3.5 KiB
Python

# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from typing import Optional
from PyQt5.QtCore import pyqtProperty, QObject, pyqtSignal
from .MaterialOutputModel import MaterialOutputModel
class ExtruderConfigurationModel(QObject):
extruderConfigurationChanged = pyqtSignal()
def __init__(self, position: int = -1) -> None:
super().__init__()
self._position = position # type: int
self._material = None # type: Optional[MaterialOutputModel]
self._hotend_id = None # type: Optional[str]
def setPosition(self, position: int) -> None:
self._position = position
@pyqtProperty(int, fset = setPosition, notify = extruderConfigurationChanged)
def position(self) -> int:
return self._position
def setMaterial(self, material: Optional[MaterialOutputModel]) -> None:
if material is None or self._material == material:
return
self._material = material
self.extruderConfigurationChanged.emit()
@pyqtProperty(QObject, fset = setMaterial, notify = extruderConfigurationChanged)
def activeMaterial(self) -> Optional[MaterialOutputModel]:
return self._material
@pyqtProperty(QObject, fset = setMaterial, notify = extruderConfigurationChanged)
def material(self) -> Optional[MaterialOutputModel]:
return self._material
def setHotendID(self, hotend_id: Optional[str]) -> None:
if self._hotend_id != hotend_id:
self._hotend_id = hotend_id
self.extruderConfigurationChanged.emit()
@pyqtProperty(str, fset = setHotendID, notify = extruderConfigurationChanged)
def hotendID(self) -> Optional[str]:
return self._hotend_id
def isValid(self) -> bool:
"""This method is intended to indicate whether the configuration is valid or not.
The method checks if the mandatory fields are or not set
At this moment is always valid since we allow to have empty material and variants.
"""
return True
def __str__(self) -> str:
message_chunks = []
message_chunks.append("Position: " + str(self._position))
message_chunks.append("-")
message_chunks.append("Material: " + self.activeMaterial.type if self.activeMaterial else "empty")
message_chunks.append("-")
message_chunks.append("HotendID: " + self.hotendID if self.hotendID else "empty")
return " ".join(message_chunks)
def __eq__(self, other) -> bool:
if not isinstance(other, ExtruderConfigurationModel):
return False
if self._position != other.position:
return False
# Empty materials should be ignored for comparison
if self.activeMaterial is not None and other.activeMaterial is not None:
if self.activeMaterial.guid != other.activeMaterial.guid:
if self.activeMaterial.guid != "" and other.activeMaterial.guid != "":
return False
else:
# At this point there is no material, so it doesn't matter what the hotend is.
return True
if self.hotendID != other.hotendID:
return False
return True
# Calculating a hash function using the position of the extruder, the material GUID and the hotend id to check if is
# unique within a set
def __hash__(self):
return hash(self._position) ^ (hash(self._material.guid) if self._material is not None else hash(0)) ^ hash(self._hotend_id)