AMScanConfiguration* AMBeamlineScanAction::cfg() const {
if(cfg_)
return cfg_;
// turn off automatic raw-day loading for scans... This will make loading the scan to access it's config much faster.
bool scanAutoLoadingOn = AMScan::autoLoadData();
AMScan::setAutoLoadData(false);
// Dynamically create and load a detailed subclass of AMDbObject from the database... whatever type it is.
AMDbObject* dbo = AMDbObjectSupport::s()->createAndLoadObjectAt(AMDatabase::database("user"), AMDbObjectSupport::s()->tableNameForClass<AMScan>(), scanID_);
if(!dbo)
return 0; //NULL
// restore AMScan's auto-loading of data to whatever it was before.
AMScan::setAutoLoadData(scanAutoLoadingOn);
// Is it a scan?
AMScan* scan = qobject_cast<AMScan*>( dbo );
if(!scan) {
delete dbo;
return 0; //NULL
}
// Does the scan have a configuration?
AMScanConfiguration* config = scan->scanConfiguration();
if(!config) {
scan->release();
return 0; //NULL
}
// need to create a copy of the config so we can delete the scan (and hence the config instance owned by the scan). The view will take ownership of the copy.
config = config->createCopy();
scan->release();
if(!config)
return 0; //NULL
cfg_ = config;
return cfg_;
}
AMScanConfiguration *AMScanActionInfo::getConfigurationFromDb() const
{
// no need to bother if we don't have a scan id to use
if(scanID_ == -1)
return 0; //NULL
// turn off automatic raw-data loading for scans... This will make loading the scan to access it's config much faster.
bool scanAutoLoadingOn = AMScan::autoLoadData();
AMScan::setAutoLoadData(false);
// Dynamically create and load a detailed subclass of AMDbObject from the database... whatever type it is.
AMDbObject* dbo = AMDbObjectSupport::s()->createAndLoadObjectAt(AMDatabase::database("user"), AMDbObjectSupport::s()->tableNameForClass<AMScan>(), scanID_);
if(!dbo) {
AMErrorMon::alert(this, AMSCANACTIONINFO_CANNOT_LOAD_FROM_DB, "Could not load scan from the database.");
return 0; //NULL
}
// restore AMScan's auto-loading of data to whatever it was before.
AMScan::setAutoLoadData(scanAutoLoadingOn);
// Is it a scan?
AMScan* scan = qobject_cast<AMScan*>( dbo );
if(!scan) {
AMErrorMon::alert(this, AMSCANACTIONINFO_DB_OBJECT_NOT_A_SCAN, "Object loaded from the database was not a scan.");
dbo->deleteLater();
return 0; //NULL
}
// Does the scan have a configuration?
AMScanConfiguration* config = scan->scanConfiguration();
if(!config) {
AMErrorMon::alert(this, AMSCANACTIONINFO_SCAN_HAS_NO_CONFIGURATION, "Scan does not have a valid scan configuration.");
scan->deleteLater();
return 0; //NULL
}
// need to create a copy of the config so we can delete the scan (and hence the config instance owned by the scan). The view will take ownership of the copy.
config = config->createCopy();
scan->deleteLater();
if(!config) {
AMErrorMon::alert(this, AMSCANACTIONINFO_CREATE_CONFIGURATION_COPY_FAILED, "Failed to create a copy of the scan configuration.");
}
return config;
}
void AMAppController::launchScanConfigurationFromDb(const QUrl &url)
{
// turn off automatic raw-day loading for scans... This will make loading the scan to access it's config much faster.
bool scanAutoLoadingOn = AMScan::autoLoadData();
AMScan::setAutoLoadData(false);
AMScan* scan = AMScan::createFromDatabaseUrl(url, true);
// restore AMScan's auto-loading of data to whatever it was before.
AMScan::setAutoLoadData(scanAutoLoadingOn);
if(!scan)
return;
// need to check that this scan actually has a valid config. This hasn't always been guaranteed, especially when scans move between beamlines.
AMScanConfiguration* config = scan->scanConfiguration();
if(!config) {
scan->deleteLater();
return;
}
// need to create a copy of the config so we can delete the scan (and hence the config instance owned by the scan). The view will take ownership of the copy.
config = config->createCopy();
scan->deleteLater();
if(!config)
return;
AMScanConfigurationView *view = config->createView();
if(!view) {
config->deleteLater();
AMErrorMon::report(AMErrorReport(this, AMErrorReport::Alert, -401, "Unable to create view from the scan configuration loaded from the database. Contact Acquaman developers."));
return;
}
// This is Actions3 stuff.
AMScanConfigurationViewHolder3 *viewHolder = new AMScanConfigurationViewHolder3(view);
viewHolder->setAttribute(Qt::WA_DeleteOnClose, true);
viewHolder->show();
}