我正在尝试使用FXML更新BorderPane的中心节点 . 我在左边用Buttons创建了一个VBox,点击它们时应该更新中心节点,但中心节点不会更新 . 有人可以解释我做错了什么吗?
我知道按钮事件工作(它们打印到屏幕usiong println)但它不会更新UI .
根节点.fxml(BorderPane):
<?import javafx.scene.layout.BorderPane?>
<BorderPane xmlns:fx="http://javafx.com/fxml" fx:id="rootPane">
<left>
</left>
<center>
</center>
</BorderPane>
菜单
<?import javafx.scene.layout.VBox?>
<?import javafx.scene.control.Button?>
<VBox fx:controller="" xmlns:fx="http://javafx.com/fxml" >
<children>
<Button text="Dashboard" fx:id="dashboardButton" onAction="#dashboardButtonEvent" />
<Button text="Sales" fx:id="salesButton" onAction="#salesButtonEvent" />
</children>
</VBox>
MenuController
public class MenuController implements Initializable {
@FXML
private BorderPane rootPane;
@FXML
private Button dashboardButton; //same name as in the menu.fxml file
@FXML
private Button salesButton; //same name as in the menu.fxml file
@FXML
private void dashboardButtonEvent(ActionEvent event) {
try {
VBox dashboard = FXMLLoader.load(getClass().getResource("../../../fxml/dashboard.fxml"));
rootPane = FXMLLoader.load(getClass().getResource("../../../fxml/root.fxml"));
rootPane.setCenter(dashboard);
} catch (IOException e) { System.out.println(e); }
}
@FXML
private void salesButtonEvent(ActionEvent event) {
try {
VBox sales = FXMLLoader.load(getClass().getResource("../../../fxml/sales.fxml"));
rootPane = FXMLLoader.load(getClass().getResource("../../../fxml/root.fxml"));
rootPane.setCenter(sales);
} catch (IOException e) { System.out.println(e); }
}
@Override
public void initialize(URL url, ResourceBundle resourceBundle) {
}
}
我假设我出错的地方是我使用rootPane = FXMLLoader.load(getClass() . getResource(“../../../ fxml / root.fxml”))分配根窗格的方式; . 如果是这种情况,我如何从现有场景中获取当前的rootPane?