JavaFX에서 콤보 박스에 메소드를 바인딩하는 방법은 무엇입니까?

1. 컨트롤러에서 onAction(ActionEvent event)콤보 상자에 대한 작업 처리기를 정의 하십시오.
2. fxml을 컨트롤러 작업 처리기에 연결합니다 onAction="#choiceMade"(여기서 choiceMade는 작업 처리기 메서드에 대해 선택한 임의의 이름입니다).
3. 작업 처리기에서 콤보 상자 값에 대한 스위치를 수행하여 선택한 값에 대해 적절한 메서드 처리기를 호출합니다.

application / ComboAction.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import java.lang.String?>
<?import javafx.collections.FXCollections?>
<?import javafx.geometry.Insets?>
<?import javafx.scene.control.ComboBox?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.layout.VBox?>

<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="104.0" prefWidth="226.0" spacing="10.0" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.ComboActionController">
   <children>
      <Label fx:id="choiceLabel" />
      <ComboBox fx:id="comboShapes" onAction="#choiceMade" prefWidth="150.0" value="Random">
         <items>
            <FXCollections fx:factory="observableArrayList">
               <String fx:value="Random" />
               <String fx:value="Small Exploder" />
               <String fx:value="Gospler Glider Run" />
               <String fx:value="Glider" />
            </FXCollections>
         </items>
      </ComboBox>
   </children>
   <padding>
      <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
   </padding>
</VBox>

application / ComboActionApp.java

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class ComboActionApp extends Application {
    @Override
    public void start(Stage stage) throws Exception {
        FXMLLoader loader = new FXMLLoader(getClass().getResource("ComboAction.fxml"));
        Parent root = loader.load();
        stage.setScene(new Scene(root));
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

application / ComboActionController.java

import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;

public class ComboActionController {

    @FXML
    private ComboBox<String> comboShapes;

    @FXML
    private Label choiceLabel;

    @FXML
    void choiceMade(ActionEvent event) {
        String choice = comboShapes.getValue();

        choiceLabel.setText(
                "Chosen: " + choice
        );

        switch (choice) {
            case "Random":
                randomChosen();
                break;

            case "Small Exploder":
                smallExploderChosen();
                break;

            case "Gospler Glider Run":
                gliderChosen();
                break;
        }
    }

    private void gliderChosen() {
        // todo implement action handler.
    }

    private void smallExploderChosen() {
        // todo implement action handler.
    }

    private void randomChosen() {
        // todo implement action handler.
    }

}