diff -r 3fc8dfeb6ebe -r b99e7fd55fd3 src/eric7/Utilities/AutoSaver.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/eric7/Utilities/AutoSaver.py Thu Jul 07 11:23:56 2022 +0200
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2009 - 2022 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing an auto saver class.
+"""
+
+from PyQt6.QtCore import QObject, QBasicTimer, QTime
+
+
+class AutoSaver(QObject):
+ """
+ Class implementing the auto saver.
+ """
+ AUTOSAVE_IN = 1000 * 3
+ MAXWAIT = 1000 * 15
+
+ def __init__(self, parent, save):
+ """
+ Constructor
+
+ @param parent reference to the parent object (QObject)
+ @param save slot to be called to perform the save operation
+ @exception RuntimeError raised, if no parent is given
+ """
+ super().__init__(parent)
+
+ if parent is None:
+ raise RuntimeError("AutoSaver: parent must not be None.")
+
+ self.__save = save
+
+ self.__timer = QBasicTimer()
+ self.__firstChange = None
+
+ def changeOccurred(self):
+ """
+ Public slot handling a change.
+ """
+ if self.__firstChange is None:
+ self.__firstChange = QTime.currentTime()
+
+ if self.__firstChange.msecsTo(QTime.currentTime()) > self.MAXWAIT:
+ self.saveIfNeccessary()
+ else:
+ self.__timer.start(self.AUTOSAVE_IN, self)
+
+ def timerEvent(self, evt):
+ """
+ Protected method handling timer events.
+
+ @param evt reference to the timer event (QTimerEvent)
+ """
+ if evt.timerId() == self.__timer.timerId():
+ self.saveIfNeccessary()
+ else:
+ super().timerEvent(evt)
+
+ def saveIfNeccessary(self):
+ """
+ Public method to activate the save operation.
+ """
+ if not self.__timer.isActive():
+ return
+
+ self.__timer.stop()
+ self.__firstChange = None
+ self.__save()
