@Override
public void save() {
clearValidationErrors();
// Client-side validation including view/model data binding
List<ValidationError> errors = flushView();
if (errors.size() > 0) {
bus.fireEvent(
new NotifyEvent(
new Message(Level.WARNING, "Can't save currency", "Please correct your input.")));
showValidationErrors(errors);
return;
}
service.store(
pair,
new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
if (caught instanceof ValidationException) {
ValidationException ex = (ValidationException) caught;
// This is probably a FK violation
if (!ex.hasErrors()) {
bus.fireEvent(
new NotifyEvent(
new Message(
Level.WARNING,
"Can't save exchange rate, errors on server",
ex.getMessage())));
}
showValidationErrors(ex.getErrors());
} else {
bus.fireEvent(new ServerFailureNotifyEvent(caught));
}
}
@Override
public void onSuccess(Void result) {
bus.fireEvent(
new NotifyEvent(
new Message(
Level.INFO, "Exchange rate saved", "Modifications have been stored.")));
bus.fireEvent(new CurrencyPairModified(pair));
}
});
}
@Override
public void delete() {
service.remove(
pair,
new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
bus.fireEvent(new ServerFailureNotifyEvent(caught));
}
@Override
public void onSuccess(Void result) {
bus.fireEvent(
new NotifyEvent(
new Message(
Level.INFO,
"Exchange rate deleted",
"The exchange rate has been permanently removed.")));
bus.fireEvent(new CurrencyPairModified(pair));
}
});
}