如何在FXML控制器中获取父窗口？

Question

例如,我想在单击按钮时打开DirectoryChooser:

<VBox fx:controller="com.foo.MyController"
    xmlns:fx="http://javafx.com/fxml">
    <children>
        <Button text="Click Me!" onAction="#handleButtonAction"/>
    </children>
</VBox>

而Controller类:

package com.foo;

public class MyController {
    public void handleButtonAction(ActionEvent event) {
        DirectoryChooser dc = new DirectoryChooser();
        File folder = dc.showDialog(null);//I want to put the WIndows here.
    }
}

我想将主窗口放到ShowDialog中,以便它被阻止但我该如何访问它？

Answer 1

您可以询问任何节点Scene然后再打电话Scene#getWindow().

例如 ((Node)event.getTarget()).getScene().getWindow()