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- # Copyright (c) 2018 Ultimaker B.V.
- # Cura is released under the terms of the LGPLv3 or higher.
- from PyQt5.QtCore import pyqtSignal, pyqtProperty, QObject, pyqtSlot
- from typing import Optional, TYPE_CHECKING, List
- from PyQt5.QtCore import QUrl
- from PyQt5.QtGui import QImage
- if TYPE_CHECKING:
- from cura.PrinterOutput.PrinterOutputController import PrinterOutputController
- from cura.PrinterOutput.PrinterOutputModel import PrinterOutputModel
- from cura.PrinterOutput.ConfigurationModel import ConfigurationModel
- class PrintJobOutputModel(QObject):
- stateChanged = pyqtSignal()
- timeTotalChanged = pyqtSignal()
- timeElapsedChanged = pyqtSignal()
- nameChanged = pyqtSignal()
- keyChanged = pyqtSignal()
- assignedPrinterChanged = pyqtSignal()
- ownerChanged = pyqtSignal()
- configurationChanged = pyqtSignal()
- previewImageChanged = pyqtSignal()
- compatibleMachineFamiliesChanged = pyqtSignal()
- def __init__(self, output_controller: "PrinterOutputController", key: str = "", name: str = "", parent=None) -> None:
- super().__init__(parent)
- self._output_controller = output_controller
- self._state = ""
- self._time_total = 0
- self._time_elapsed = 0
- self._name = name # Human readable name
- self._key = key # Unique identifier
- self._assigned_printer = None # type: Optional[PrinterOutputModel]
- self._owner = "" # Who started/owns the print job?
- self._configuration = None # type: Optional[ConfigurationModel]
- self._compatible_machine_families = [] # type: List[str]
- self._preview_image_id = 0
- self._preview_image = None # type: Optional[QImage]
- @pyqtProperty("QStringList", notify=compatibleMachineFamiliesChanged)
- def compatibleMachineFamilies(self):
- # Hack; Some versions of cluster will return a family more than once...
- return set(self._compatible_machine_families)
- def setCompatibleMachineFamilies(self, compatible_machine_families: List[str]) -> None:
- if self._compatible_machine_families != compatible_machine_families:
- self._compatible_machine_families = compatible_machine_families
- self.compatibleMachineFamiliesChanged.emit()
- @pyqtProperty(QUrl, notify=previewImageChanged)
- def previewImageUrl(self):
- self._preview_image_id += 1
- # There is an image provider that is called "print_job_preview". In order to ensure that the image qml object, that
- # requires a QUrl to function, updates correctly we add an increasing number. This causes to see the QUrl
- # as new (instead of relying on cached version and thus forces an update.
- temp = "image://print_job_preview/" + str(self._preview_image_id) + "/" + self._key
- return QUrl(temp, QUrl.TolerantMode)
- def getPreviewImage(self) -> Optional[QImage]:
- return self._preview_image
- def updatePreviewImage(self, preview_image: Optional[QImage]) -> None:
- if self._preview_image != preview_image:
- self._preview_image = preview_image
- self.previewImageChanged.emit()
- @pyqtProperty(QObject, notify=configurationChanged)
- def configuration(self) -> Optional["ConfigurationModel"]:
- return self._configuration
- def updateConfiguration(self, configuration: Optional["ConfigurationModel"]) -> None:
- if self._configuration != configuration:
- self._configuration = configuration
- self.configurationChanged.emit()
- @pyqtProperty(str, notify=ownerChanged)
- def owner(self):
- return self._owner
- def updateOwner(self, owner):
- if self._owner != owner:
- self._owner = owner
- self.ownerChanged.emit()
- @pyqtProperty(QObject, notify=assignedPrinterChanged)
- def assignedPrinter(self):
- return self._assigned_printer
- def updateAssignedPrinter(self, assigned_printer: Optional["PrinterOutputModel"]) -> None:
- if self._assigned_printer != assigned_printer:
- old_printer = self._assigned_printer
- self._assigned_printer = assigned_printer
- if old_printer is not None:
- # If the previously assigned printer is set, this job is moved away from it.
- old_printer.updateActivePrintJob(None)
- self.assignedPrinterChanged.emit()
- @pyqtProperty(str, notify=keyChanged)
- def key(self):
- return self._key
- def updateKey(self, key: str):
- if self._key != key:
- self._key = key
- self.keyChanged.emit()
- @pyqtProperty(str, notify = nameChanged)
- def name(self):
- return self._name
- def updateName(self, name: str):
- if self._name != name:
- self._name = name
- self.nameChanged.emit()
- @pyqtProperty(int, notify = timeTotalChanged)
- def timeTotal(self) -> int:
- return self._time_total
- @pyqtProperty(int, notify = timeElapsedChanged)
- def timeElapsed(self) -> int:
- return self._time_elapsed
- @pyqtProperty(int, notify = timeElapsedChanged)
- def timeRemaining(self) -> int:
- # Never get a negative time remaining
- return max(self.timeTotal - self.timeElapsed, 0)
- @pyqtProperty(float, notify = timeElapsedChanged)
- def progress(self) -> float:
- result = float(self.timeElapsed) / max(self.timeTotal, 1.0) # Prevent a division by zero exception.
- return min(result, 1.0) # Never get a progress past 1.0
- @pyqtProperty(str, notify=stateChanged)
- def state(self) -> str:
- return self._state
- @pyqtProperty(bool, notify=stateChanged)
- def isActive(self) -> bool:
- inactiveStates = [
- "pausing",
- "paused",
- "resuming",
- "wait_cleanup"
- ]
- if self.state in inactiveStates and self.timeRemaining > 0:
- return False
- return True
- def updateTimeTotal(self, new_time_total):
- if self._time_total != new_time_total:
- self._time_total = new_time_total
- self.timeTotalChanged.emit()
- def updateTimeElapsed(self, new_time_elapsed):
- if self._time_elapsed != new_time_elapsed:
- self._time_elapsed = new_time_elapsed
- self.timeElapsedChanged.emit()
- def updateState(self, new_state):
- if self._state != new_state:
- self._state = new_state
- self.stateChanged.emit()
- @pyqtSlot(str)
- def setState(self, state):
- self._output_controller.setJobState(self, state)
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