def onFileTypeChanged(self, state):
checkBox = QCheckBox.sender(self)
itemText = checkBox.text()
if (False == state):
if itemText in self.__fileSuffix:
self.removeFileSuffix(itemText)
else:
if itemText not in self.__fileSuffix:
self.addFileSuffix(itemText)
if itemText in self.__customFileSuffix:
self.__customFileSuffix.remove(itemText)
