mandlm/ESGRAF48
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Show and handle load and save errors

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This commit is contained in:
mandlm 2019-01-29 20:55:16 +01:00
parent 9e6b957f92
commit 20901898a8
2 changed files with 21 additions and 4 deletions
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4
source/DataModel.cpp
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@ -46,7 +46,7 @@ void DataModel::write(const QString &filename) const
QFile outFile(filename); QFile outFile(filename);
if (!outFile.open(QIODevice::WriteOnly)) if (!outFile.open(QIODevice::WriteOnly))
{ {
return; throw std::runtime_error("open failed");
} }
dataModel.SerializeToFileDescriptor(outFile.handle()); dataModel.SerializeToFileDescriptor(outFile.handle());
@ -57,7 +57,7 @@ void DataModel::read(const QString &filename)
QFile inFile(filename); QFile inFile(filename);
if (!inFile.open(QIODevice::ReadOnly)) if (!inFile.open(QIODevice::ReadOnly))
{ {
return; throw std::runtime_error("open failed");
} }
ESGRAF48::DataModel dataModel; ESGRAF48::DataModel dataModel;

17
source/mainwindow.cpp
View File

@ -85,7 +85,15 @@ void MainWindow::openFile()
return; return;
} }
try
{
openFile(filename); openFile(filename);
}
catch (std::exception &e)
{
QString errorMessage = QString("Error loading \"") + filename + "\": " + e.what();
QMessageBox::critical(this, "Error", errorMessage);
}
} }
void MainWindow::openFile(const QString &filename) void MainWindow::openFile(const QString &filename)
@ -195,7 +203,16 @@ void MainWindow::closeEvent(QCloseEvent *event)
void MainWindow::saveFile(const QString &filename) void MainWindow::saveFile(const QString &filename)
{ {
try
{
m_dataModel.write(filename); m_dataModel.write(filename);
}
catch (std::exception &e)
{
QString errorMessage = QString("Error saving \"") + filename + "\": " + e.what();
QMessageBox::critical(this, "Error", errorMessage);
return;
}
qDebug() << "Wrote" << filename; qDebug() << "Wrote" << filename;