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tageditor
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Improve canceling 

* Show a specific status messages
* Allow aborting while only the percentage is updated
This commit is contained in:
Martchus 2019-12-30 23:54:04 +01:00
parent c3275b8bd7
commit 74afa6e827
2 changed files with 30 additions and 13 deletions
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41
gui/tageditorwidget.cpp
View File

@ -149,6 +149,7 @@ TagEditorWidget::TagEditorWidget(QWidget *parent)
// misc
connect(m_ui->abortButton, &QPushButton::clicked, [this] {
m_abortClicked = true;
m_ui->makingNotificationWidget->setText(tr("Cancelling ..."));
m_ui->abortButton->setEnabled(false);
});
connect(m_ui->tagSelectionComboBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::activated), m_ui->stackedWidget,
@ -1156,25 +1157,29 @@ bool TagEditorWidget::startSaving()
m_fileInfo.setBackupDirectory(settings.editor.backupDirectory);
const auto startThread = [this] {
// define functions to show the saving progress and to actually applying the changes
const auto showPercentage([this](const AbortableProgressFeedback &progress) {
QMetaObject::invokeMethod(m_ui->makingNotificationWidget, "setPercentage", Qt::QueuedConnection, Q_ARG(int, progress.stepPercentage()));
});
const auto showStep([this](AbortableProgressFeedback &progress) {
QMetaObject::invokeMethod(m_ui->makingNotificationWidget, "setPercentage", Qt::QueuedConnection, Q_ARG(int, progress.stepPercentage()));
auto showPercentage([this](AbortableProgressFeedback &progress) {
if (m_abortClicked) {
progress.tryToAbort();
}
QMetaObject::invokeMethod(m_ui->makingNotificationWidget, "setPercentage", Qt::QueuedConnection, Q_ARG(int, progress.stepPercentage()));
});
auto showStep([this](AbortableProgressFeedback &progress) {
if (m_abortClicked) {
progress.tryToAbort();
QMetaObject::invokeMethod(m_ui->makingNotificationWidget, "setText", Qt::QueuedConnection, Q_ARG(QString, tr("Cancelling ...")));
} else {
QMetaObject::invokeMethod(
m_ui->makingNotificationWidget, "setText", Qt::QueuedConnection, Q_ARG(QString, QString::fromStdString(progress.step())));
}
QMetaObject::invokeMethod(m_ui->makingNotificationWidget, "setPercentage", Qt::QueuedConnection, Q_ARG(int, progress.stepPercentage()));
});
AbortableProgressFeedback progress(std::move(showStep), std::move(showPercentage));
bool processingError = false, ioError = false;
bool processingError = false, ioError = false, canceled = false;
try {
try {
m_fileInfo.applyChanges(m_diag, progress);
} catch (const OperationAbortedException &) {
canceled = true;
} catch (const Failure &) {
processingError = true;
} catch (const std::ios_base::failure &) {
@ -1187,7 +1192,8 @@ bool TagEditorWidget::startSaving()
m_diag.emplace_back(TagParser::DiagLevel::Critical, "Something completely unexpected happened", "making");
processingError = true;
}
QMetaObject::invokeMethod(this, "showSavingResult", Qt::QueuedConnection, Q_ARG(bool, processingError), Q_ARG(bool, ioError));
QMetaObject::invokeMethod(
this, "showSavingResult", Qt::QueuedConnection, Q_ARG(bool, processingError), Q_ARG(bool, ioError), Q_ARG(bool, canceled));
};
// use another thread to perform the operation
m_ongoingFileOperation = QtConcurrent::run(startThread);
@ -1202,7 +1208,7 @@ bool TagEditorWidget::startSaving()
*
* \param sucess Specifies whether the file could be saved sucessfully.
*/
void TagEditorWidget::showSavingResult(bool processingError, bool ioError)
void TagEditorWidget::showSavingResult(bool processingError, bool ioError, bool canceled)
{
m_ui->abortButton->setHidden(true);
m_ui->makingNotificationWidget->setNotificationType(NotificationType::TaskComplete);
@ -1226,7 +1232,18 @@ void TagEditorWidget::showSavingResult(bool processingError, bool ioError)
default:;
}
}
if (warnings || critical) {
if (canceled) {
if (critical) {
statusMsg = tr("Saving has been canceled and there is/are %1 warning(s) ", nullptr, trQuandity(warnings)).arg(warnings);
statusMsg.append(tr("and %1 error(s).", nullptr, trQuandity(critical)).arg(critical));
} else if (warnings) {
statusMsg = tr("Saving has been canceled and there is/are %1 warning(s).", nullptr, trQuandity(warnings)).arg(warnings);
} else {
statusMsg = tr("Saving tags has been canceled.");
}
m_ui->makingNotificationWidget->setNotificationType(critical ? NotificationType::Critical : NotificationType::Warning);
} else if (warnings || critical) {
if (critical) {
statusMsg = tr("The tags have been saved, but there is/are %1 warning(s) ", nullptr, trQuandity(warnings)).arg(warnings);
statusMsg.append(tr("and %1 error(s).", nullptr, trQuandity(critical)).arg(critical));
@ -1255,8 +1272,8 @@ void TagEditorWidget::showSavingResult(bool processingError, bool ioError)
// fatal errors occured
// -> show status
static const QString processingErrorMsg(tr("The tags couldn't be saved. See the info box for detail."));
static const QString ioErrorMsg(tr("The tags couldn't be saved because an IO error occured."));
static const QString processingErrorMsg(tr("The tags could not be saved. See the info box for detail."));
static const QString ioErrorMsg(tr("The tags could not be saved because an IO error occured."));
const auto &errorMsg = ioError ? ioErrorMsg : processingErrorMsg;
QMessageBox::critical(this, QCoreApplication::applicationName(), errorMsg);
emit statusMessage(errorMsg);

2
gui/tageditorwidget.h
View File

@ -109,7 +109,7 @@ private slots:
void changeTarget(TagParser::Tag *tag);
// saving
void showSavingResult(bool processingError, bool ioError);
void showSavingResult(bool processingError, bool ioError, bool canceled);
// info (web) view
void initInfoView();