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我有一個BorderPane,我在其上放置了一個MenuBar。在BorderPane的中心,根據所選的MenuItem,我顯示不同的AnchorPanes。到現在爲止還挺好。管理JavaFX菜單欄的運行時行爲
現在,我如何確保菜單更改行爲以響應在子AnchorPane中選擇的項目?因此,例如,如果用戶選擇「編輯」,會出現根據當前亮顯的項目是否是一個用戶賬號,文件等
到目前爲止,我做東西沿着這些路線不同的動作:
該BorderPane控制器:
public class MenuTest implements Initializable{
@FXML
private BorderPane borderPaneMain;
@FXML
private AnchorPane anchorPaneMain;
@FXML
private Menu menuEdit;
@FXML
private MenuItem itemEdit;
static String menuMode;
static String entityName;
public MenuTest(){
menuMode ="";
entityName = "";
}
@Override
public void initialize(URL arg0, ResourceBundle arg1) {
AnchorPane anchor;
try {
anchor = (AnchorPane) new FXMLLoader().load(getClass().getResource("views/MainView.fxml"));
borderPaneMain.setCenter(anchor);
} catch (IOException e) {
e.printStackTrace();
}
}
protected static void setMenuMode(String menuMd, String entityNm){
entityName = entityNm;
menuMode = menuMd;
}
@FXML
private void onEditClick(){
if(entityName.equals(AnchorTest.FILE)){
//Launches correct edit view
new FXMLLoader().load(getClass().getResource("views/EditFile.fxml"));
//Passes the name of the entity so that the controller can retrieve its data
FileEditController.setFile(entityName);
}else if(entityName.equals(AnchorTest.PERSON)){
new FXMLLoader().load(getClass().getResource("views/EditPerson.fxml"));
PersonEditController.setFile(entityName);
}
}
}
孩子AnchorPane控制器:
public class AnchorTest implements Initializable{
public static final String PERSON = "PERSON";
public static final String FILE = "FILE";
ObservableList<String> peopleList;
ObservableList<String> fileList;
@FXML
private ListView<String> listPeople;
@FXML
private ListView<String> listFiles;
@Override
public void initialize(URL location, ResourceBundle resources) {
peopleList = FXCollections.observableArrayList("Frank","Matin","Anne");
fileList = FXCollections.observableArrayList("hello.txt","holiday.jpg","cv.doc");
listPeople.setItems(peopleList);
listFiles.setItems(fileList);
}
@FXML
private void personSelected(){
MenuTest.setMenuMode(this.PERSON, listPeople.getSelectionModel().getSelectedItem());
}
@FXML
private void fileSelected(){
MenuTest.setMenuMode(this.FILE, listFiles.getSelectionModel().getSelectedItem());
}
}
但是我不知道,這是最好的解決方案,尤其是C考慮到if/elseif語句需要在添加新的元素類型及其相應的編輯選項時進行更改。那麼有什麼方法可以做得更好?