private Boolean checkOfFieldsOk() {
        if ("".equals(txtDatabaseSettingName.getText())) {
            txtDatabaseSettingName.setForeground(Color.red);
            return false;
        } else {
            txtDatabaseSettingName.setBackground(Color.white);
        }
        
        if ("".equals(txtDatabaseAddressingLocation.getText())) {
            txtDatabaseAddressingLocation.setBackground(Color.red);
            return false;
        } else {
            txtDatabaseAddressingLocation.setBackground(Color.white);
        }
        
        if ("".equals(txtDatabaseAddressingPort.getText())) {
            txtDatabaseAddressingPort.setBackground(Color.red);
            return false;
        } else {
            txtDatabaseAddressingPort.setBackground(Color.white);
        }
        
        if ("".equals(txtDatabaseNamingDatabaseName.getText())) {
            txtDatabaseNamingDatabaseName.setBackground(Color.red);
            return false;
        } else {
            txtDatabaseNamingDatabaseName.setBackground(Color.white);
        }
        
        if ("".equals(txtDatabaseNamingTablePrefix.getText())) {
            txtDatabaseNamingTablePrefix.setBackground(Color.red);
            return false;
        } else {
            txtDatabaseNamingTablePrefix.setBackground(Color.white);
        }
        
        return true;
    }