@FXML
public void enterAdminPassword(ActionEvent event) {
    try {
        FXMLLoader fxmlLoader = new FXMLLoader();
        fxmlLoader.setLocation(getClass().getResource("enterPasswordAlert.fxml"));
        Scene scene = new Scene(fxmlLoader.load(), 503, 208);
        Stage stage = new Stage();
        stage.setTitle("Admin Password");
        stage.setScene(scene);
        stage.initStyle(StageStyle.UNDECORATED);
        stage.show();
        ((Node)(event.getSource())).getScene().getWindow().hide();
    } catch (IOException e) {
        Logger logger = Logger.getLogger(getClass().getName());
        logger.log(Level.SEVERE, "Failed to create new Window.", e);
    }
}

public void enableTextField(String h, String p, String u, String pa) {
    this.txtHost.setText(h);
    this.txtPort.setText(p);
    this.txtUsername.setText(u);
    this.txtPassword.setText(pa);

}

@FXML
public void verifyAdminPassword(ActionEvent event) {

    query = "SELECT admin_password FROM ftp_settings";
    databaseActivities dbObj = new databaseActivities();
    passCompare = dbObj.getAdminPassword(query);
    userPassEntered = txtAdminPass.getText();

    if (passCompare.compareTo(userPassEntered) == 0) {
        enableEntry();
        ((Node)(event.getSource())).getScene().getWindow().hide();
    } else {

    }

}

public void enableEntry() {
    query = "SELECT host, port, username, password FROM ftp_settings";
    databaseActivities dbObj = new databaseActivities();
    settingData = dbObj.getSettingsData(query);
    host = settingData[0];
    port = settingData[1];
    user = settingData[2];
    pass = settingData[3];
    FXMLLoader Loader = new FXMLLoader();
    Loader.setLocation(getClass().getResource("pictureUpload.fxml"));
    try {
        Loader.load();
    } catch (IOException ex) {
        Logger.getLogger(enterPasswordAlertController.class.getName()).log(Level.SEVERE, null, ex);
    }

    pictureUploadController uploadController = new pictureUploadController();
    uploadController.enableTextField();

    Parent root = Loader.getRoot();
    Stage stage = new Stage();
    stage.setScene(new Scene(root));
    stage.initStyle(StageStyle.UNDECORATED);
    stage.show();
}