JAVA如何将JAVAFX的标签嵌入到JPanel中？ [英] JAVA How to embed JAVAFX's label into a JPanel in swing?

问题描述

如何将使用JAVAFX创建的自定义标签嵌入到现有swing的JPanel中？

例如

自定义JavaFX标签：

 公共类CustomJavaFXLabel扩展Label {
 public CustomJavaFXLabel（）{
 super（ ）; 
 setFont（blah blah blah）; 
 setText（blah blah blah）; 
 / * 
 *依此类推... 
 * / 
} 
} 
  

摇摆中的现有JPanel

 公共类SwingApp（）{
私人JPanel jpanel; 
 
 public SwingApp（）{
 jpanel = new JPanel（）; 
 jpanel.add（new CustomJavaFXLabel（））; //此行不起作用
} 
} 
  

我得到的错误是：

  Container类型中的方法add（Component）不适用于参数（CustomJavaFXLabel）
  

我明白为此，我最好使用JLabel来创建自定义标签。但是，由于某些限制，我需要使用FX作为自定义标签。

谢谢。

解决方案

如

  import java.awt 。尺寸; 
 import java.awt.EventQueue; 
 import javafx.application.Platform; 
 import javafx.embed.swing.JFXPanel; 
 import javafx.geometry.Insets; 
 import javafx.scene.Scene; 
 import javafx.scene.control.Label; 
 import javafx.scene.layout.Background; 
 import javafx.scene.layout.BackgroundFill; 
 import javafx.scene.layout.CornerRadii; 
 import javafx.scene.layout.StackPane; 
 import javafx.scene.paint.Color; 
 import javax.swing.JFrame; 
 / ** 
 * @see https://stackoverflow.com/q/41159015/230513 
 * / 
公共类LabelTest {
 
 private void display（）{
 JFrame f = new JFrame（LabelTest）; 
 f.setDefaultCloseOperation（JFrame.EXIT_ON_CLOSE）; 
 JFXPanel jfxPanel = new JFXPanel（）{
 @Override 
 public Dimension getPreferredSize（）{
 return new Dimension（320,240）; 
} 
}; 
 initJFXPanel（jfxPanel）; 
 f.add（jfxPanel）; 
 f.pack（）; 
 f.setLocationRelativeTo（null）; 
 f.setVisible（true）; 
} 
 
 private void initJFXPanel（JFXPanel jfxPanel）{
 Platform.runLater（（） - > {
 Label label = new Label（
 System .getProperty（os.name）+v
 + System.getProperty（os.version）+; Java v
 + System.getProperty（java.version）） ; 
 label.setBackground（new Background（new BackgroundFill（
 Color.ALICEBLUE，CornerRadii.EMPTY，Insets.EMPTY）））; 
 StackPane root = new StackPane（）; 
 root.getChildren（）。add（label）; 
场景场景=新场景（根）; 
 jfxPanel.setScene（场景）; 
}）; 
} 
 
 public static void main（String [] args）{
 EventQueue.invokeLater（new LabelTest（）:: display）; 
} 
} 
  

How can I embed a custom label I created using JAVAFX into an existing swing's JPanel?

E.g.

Custom JavaFX Label:

public class CustomJavaFXLabel extends Label{
    public CustomJavaFXLabel(){
        super();    
        setFont("blah blah blah");
        setText("blah blah blah");
          /*
           *and so on...
           */
    }
}

Existing JPanel in swing

public class SwingApp(){
    private JPanel jpanel;

    public SwingApp(){
        jpanel = new JPanel();
        jpanel.add(new CustomJavaFXLabel()); //this line does not work
    }
}

Error I got is:

The method add(Component) in the type Container is not applicable for argument (CustomJavaFXLabel)

I understand that to for this, I am better off using JLabel to create the custom label. However, due to certain constraints I was required to use FX for the custom Label.

Thanks.

解决方案

As shown in JavaFX: Interoperability, §3 Integrating JavaFX into Swing Applications, add your custom javafx.scene.control.Label to a javafx.embed.swing.JFXPanel. Because a JFXPanel is a java.awt.Container, it can be added to your Swing layout. Several examples may be found here and below.

import java.awt.Dimension;
import java.awt.EventQueue;
import javafx.application.Platform;
import javafx.embed.swing.JFXPanel;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javax.swing.JFrame;
/**
 * @see https://stackoverflow.com/q/41159015/230513
 */
public class LabelTest {

    private void display() {
        JFrame f = new JFrame("LabelTest");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JFXPanel jfxPanel = new JFXPanel() {
            @Override
            public Dimension getPreferredSize() {
                return new Dimension(320, 240);
            }
        };
        initJFXPanel(jfxPanel);
        f.add(jfxPanel);
        f.pack();
        f.setLocationRelativeTo(null);
        f.setVisible(true);
    }

    private void initJFXPanel(JFXPanel jfxPanel) {
        Platform.runLater(() -> {
            Label label = new Label(
                System.getProperty("os.name") + " v"
                + System.getProperty("os.version") + "; Java v"
                + System.getProperty("java.version"));
            label.setBackground(new Background(new BackgroundFill(
                Color.ALICEBLUE, CornerRadii.EMPTY, Insets.EMPTY)));
            StackPane root = new StackPane();
            root.getChildren().add(label);
            Scene scene = new Scene(root);
            jfxPanel.setScene(scene);
        });
    }

    public static void main(String[] args) {
        EventQueue.invokeLater(new LabelTest()::display);
    }
}

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