我有一个按钮,如果用户单击该按钮,应该会出现一个菜单。但它应该在同一个窗口中!
Button button = new Button("Advanced Search");
Pane popup = getPopupMenu();
button.setOnAction((event) -> {
//how to show the popup ontop of the hall stage?
});
`
最佳答案
您可以使用JFoenix Popup为了实现您的需求,这个代码示例也许对您有帮助:
package javafxpopup;
import com.jfoenix.controls.JFXListView;
import com.jfoenix.controls.JFXPopup;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.Text;
import javafx.stage.Stage;
/**
*
* @author Menai Ala Eddine
*/
public class JavaFXPopup extends Application {
@Override
public void start(Stage primaryStage) {
Button btn = new Button();
btn.setText("Say 'Hello World'");
btn.setOnAction((ActionEvent event) -> {
buildContextMenu().show(btn);
});
StackPane root = new StackPane();
root.getChildren().add(btn);
Scene scene = new Scene(root, 300, 250);
primaryStage.setTitle("Hello World!");
primaryStage.setScene(scene);
primaryStage.show();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
public JFXPopup buildContextMenu() {
JFXPopup contextPop = new JFXPopup();
contextPop.setPopupContent(getItemsList());
return contextPop;
}
private VBox getItemsList() {
VBox boxItem = new VBox();
Label addItem = new Label("Add File");
Label editItem = new Label("Edit File");
Label deleteItem = new Label("Delete File");
boxItem.getChildren().addAll(addItem, editItem, deleteItem);
return boxItem;
}
}
结果是:
如果您需要根据窗口更改弹出窗口的位置/偏移量,请使用这段代码:
buildContextMenu().show(primaryStage, 0, 0, JFXPopup.PopupVPosition.TOP, JFXPopup.PopupHPosition.LEFT, 0, 0);
关于同一窗口中的 Javafx 弹出窗口(如上下文菜单),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49536380/