def openFile(self, path: str) -> None:
f = QFile(path)
if not f.open(QIODevice.ReadOnly):
QMessageBox.warning(
self,
self.windowTitle(),
self.tr("Could not open file %s: %s" %
(QDir.toNativeSeparators(path), f.errorString())),
)
return
self.m_filePath = path
self.editor.setPlainText(f.readAll().data().decode())
def onFileSave(self):
if not self.m_filePath:
self.onFileSaveAs()
return
f = QFile(self.m_filePath)
if not f.open(QIODevice.WriteOnly | QIODevice.Text):
QMessageBox.warning(
self,
self.windowTitle(),
self.tr("Could not write to file %s: %s" %
(QDir.toNativeSeparators(
self.m_filePath), f.errorString())),
)
return
text = QTextStream(f)
text << self.editor.toPlainText()
self.editor.document().setModified(False)