JavaFX 选项卡将进度指示器设置为标题

Question

我在 JavaFX 中使用 TabPane 并在任务运行时创建它们。任务完成后，我将选项卡与包含任务结果的新选项卡交换。
我想在选项卡的标题中显示一个加载微调器(javaFX 术语:进度指示器)。
那可能吗？
像这样:

Answer 1

是的，可以只使用 tab.setGraphic(...);

/**
 * <p>Sets the graphic to show in the tab to allow the user to differentiate
 * between the function of each tab. By default the graphic does not rotate
 * based on the TabPane.tabPosition value, but it can be set to rotate by
 * setting TabPane.rotateGraphic to true.</p>
 */
public final void setGraphic(Node value) {
    graphicProperty().set(value);
}

完整的可运行示例:

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception {

        ProgressIndicator progressIndicator = new ProgressIndicator();

        Tab tab = new Tab();
        tab.setClosable(false);
        tab.setGraphic(progressIndicator);

        TabPane tabPane = new TabPane(tab);
        tabPane.setPrefSize(200,200);

        primaryStage.setScene(new Scene(tabPane));
        primaryStage.show();
    }
}