Cura/cura/AutoSave.py
2019-04-24 08:21:11 +02:00

61 lines
2.0 KiB
Python

# Copyright (c) 2016 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from PyQt5.QtCore import QTimer
from UM.Logger import Logger
class AutoSave:
def __init__(self, application):
self._application = application
self._application.getPreferences().preferenceChanged.connect(self._triggerTimer)
self._global_stack = None
self._application.getPreferences().addPreference("cura/autosave_delay", 1000 * 10)
self._change_timer = QTimer()
self._change_timer.setInterval(self._application.getPreferences().getValue("cura/autosave_delay"))
self._change_timer.setSingleShot(True)
self._enabled = True
self._saving = False
def initialize(self):
# only initialise if the application is created and has started
self._change_timer.timeout.connect(self._onTimeout)
self._application.globalContainerStackChanged.connect(self._onGlobalStackChanged)
self._onGlobalStackChanged()
self._triggerTimer()
def _triggerTimer(self, *args):
if not self._saving:
self._change_timer.start()
def setEnabled(self, enabled: bool) -> None:
self._enabled = enabled
if self._enabled:
self._change_timer.start()
else:
self._change_timer.stop()
def _onGlobalStackChanged(self):
if self._global_stack:
self._global_stack.propertyChanged.disconnect(self._triggerTimer)
self._global_stack.containersChanged.disconnect(self._triggerTimer)
self._global_stack = self._application.getGlobalContainerStack()
if self._global_stack:
self._global_stack.propertyChanged.connect(self._triggerTimer)
self._global_stack.containersChanged.connect(self._triggerTimer)
def _onTimeout(self):
self._saving = True # To prevent the save process from triggering another autosave.
Logger.log("d", "Autosaving preferences, instances and profiles")
self._application.saveSettings()
self._saving = False