Рефакт

DataBaseLMS/databaselms.cpp

@@ -6,6 +6,9 @@
 #include <QMessageBox>
 #include <QDomDocument>
 
+const QString DataBaseLMS::TypeUserDBInstructor = "instructor";
+const QString DataBaseLMS::TypeUserDBTrainee = "trainee";
+
 DataBaseLMS::DataBaseLMS(QWidget *ownerWidget):
     db(nullptr),
     transactionBegined(false),
@@ -98,7 +101,7 @@ DataBaseSettings DataBaseLMS::getDataBaseSettings()
     QFile file("config/settings.xml");
     if(!file.open(QIODevice::ReadOnly))
     {
-        QMessageBox::critical(nullptr, "Attention!", "The file could not be opened: config/settings.xml");
+        QMessageBox::critical(ownerWidget, "Attention!", "The file could not be opened: config/settings.xml");
         return settings;
     }
     QXmlStreamReader xmlReader(&file);