def loadFile(self, fileName):
qfile = QtCore.QFile(fileName)
if not qfile.open(QtCore.QFile.ReadOnly | QtCore.QFile.Text):
QtWidgets.QMessageBox.warning(
self, self.tr('MDI'),
self.tr('Cannot read file %s:\n%s.') %
(fileName, qfile.errorString()))
return False
instr = QtCore.QTextStream(qfile)
QtWidgets.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor)
self.setPlainText(instr.readAll())
QtWidgets.QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
return True
def saveFile(self, fileName):
qfile = QtCore.QFile(fileName)
if not qfile.open(QtCore.QFile.WriteOnly | QtCore.QFile.Text):
QtWidgets.QMessageBox.warning(
self, self.tr('MDI'),
self.tr('Cannot write file %s:\n%s.') %
(fileName, qfile.errorString()))
return False
outstr = QtCore.QTextStream(qfile)
QtCore.QApplication.setOverrideCursor(QtCore.Qt.WaitCursor)
outstr << self.toPlainText()
QtCore.QApplication.restoreOverrideCursor()
self.setCurrentFile(fileName)
return True