1
I’m trying to initialize some components, but I realized that the fxml controller initialize method is initialized before the scene is placed in Stage, this is the way I use to manage the scenes:
Scenemanager.java
package br.com.ivesti.ivarejo.util;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.stage.Stage;
import java.io.IOException;
public class SceneManager {
private static Stage mStage;
private static Scene mSceneCadastrarUsuario, mSceneLogin, mSceneMainWindow;
private static volatile SceneManager mInstance;
private SceneManager(){
initialize();
}
private void initialize(){
try {
if (mSceneCadastrarUsuario == null)
mSceneCadastrarUsuario = new Scene(FXMLLoader.load(getClass().getResource("../ui/cadastrar_usuario_dialog.fxml")));
if(mSceneLogin == null)
mSceneLogin = new Scene(FXMLLoader.load(getClass().getResource("../ui/login_dialog.fxml")));
if(mSceneMainWindow == null) {
mSceneMainWindow = new Scene(FXMLLoader.load(getClass().getResource("../ui/dashboard_dialog.fxml")));
mSceneMainWindow.getStylesheets().addAll(getClass().getResource("../css/style.css").toString());
}
}catch (IOException | NullPointerException e){
System.err.println("Falha em obter a cena: " + e.getMessage());
System.exit(-1);
}
}
public void setStage(Stage stage){
if(mStage == null){
mStage = stage;
}
}
public void changeScene(Scenes scenes){
mStage.setResizable(false);
switch (scenes){
case CADASTRAR_USUARIO:
mStage.setScene(mSceneCadastrarUsuario);
break;
case LOGIN:
mStage.setScene(mSceneLogin);
break;
case MAIN_WINDOW:
mStage.setResizable(true);
mStage.setScene(mSceneMainWindow);
break;
}
}
public static SceneManager getManager(){
if(mInstance == null){
synchronized (SceneManager.class){
if(mInstance == null)
mInstance = new SceneManager();
}
}
return mInstance;
}
public enum Scenes{
LOGIN, CADASTRAR_USUARIO, MAIN_WINDOW
}
}
Dashboardcontroller.java
package br.com.ivesti.ivarejo.controllers;
import br.com.ivesti.ivarejo.util.Session;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.text.Text;
import java.net.URL;
import java.util.ResourceBundle;
public class DashboardController implements Initializable {
/* Componentes */
@FXML
private Text tUsuarioAtual;
/* Eventos */
@FXML
private void onUsuariosClicked(ActionEvent event){
tUsuarioAtual.setText(Session.getSession().getString("u_name"));
}
@Override
public void initialize(URL location, ResourceBundle resources) {
tUsuarioAtual.setText(Session.getSession().getString("u_name"));
}
}
So how to do to initialize be called only when SceneManager.getManager().changeScene(SceneManager.Scenes.MAIN_WINDOW); is called?