Javafx: Comment ajouter des itmes dans checkcombobox?

Question

J'essaie d'ajouter des itmes dans mon checkComboBox mais je ne sais pas pourquoi je ne le fais pas. Voici ce que je suis en train de faire ceci:

`// initialinzing FXML in my controller` 
@FXML 
CheckComboBox<String> checkComboBox; 

// create the data to show in the CheckComboBox 
    final ObservableList<String> strings = FXCollections.observableArrayList(); 
    for (int i = 0; i <= 10; i++) { 
     strings.add("Item " + i); 
    } 

    // Create the CheckComboBox with the data 
    checkComboBox = new CheckComboBox<String>(strings); 


    // and listen to the relevant events (e.g. when the selected indices or 
    // selected items change). 
    checkComboBox.getCheckModel().getSelectedItems().addListener(new ListChangeListener<String>() { 
     public void onChanged(ListChangeListener.Change<? extends String> c) { 
      System.out.println(checkComboBox.getCheckModel().getSelectedItems()); 
     } 
    }); 
    } 

Answer 1

Ce code fonctionne bien

Mon code FXML

<CheckComboBox fx:id="addFeaturesCheckComboBox" prefHeight="25.0" prefWidth="192.0" GridPane.columnIndex="1" GridPane.rowIndex="2" /> 

Mon code Contrôleur:

//to initialize my checkComboBox 
@FXML 
CheckComboBox<String> addFeaturesCheckComboBox; 

public void initialize() throws SQLException{ 

ObservableList<String> strings = FXCollections.observableArrayList(); 
    for (int i = 0; i <= 10; i++) { 
     strings.add("Item " + i); 
    } 
addFeaturesCheckComboBox.getItems().addAll(strings); 
//listen to the relevant events (e.g. when the selected indices or 
    // selected items change). 

    addFeaturesCheckComboBox.getCheckModel().getSelectedItems().addListener(new ListChangeListener<String>() { 
     public void onChanged(ListChangeListener.Change<? extends String> c) { 

      selectedFeatures = addFeaturesCheckComboBox.getCheckModel().getSelectedItems(); 
     } 
    }); 
}