如何在 Swing 应用程序中正确放置 libgdx 应用程序?

I'm creating a level editor for my game, and I ave a problem using LwjglCanvas with a JFrame. I use a JFrame (not a LwjglFrame) to keep engine and level editor as independent as possible. I have two JARs: WorldEditor.jar, and GameEngine.jar. Inside WorldEditor, I have a button called "test", that is suppose to load GameEngine.jar (if not already loaded) and launch (resart it if already loaded) it into the application main frame. Actually, what I do is injecting the WorldEditor game container (a JPanel inside the JFrame for example) to the game app, and use Gdx.app.postRunnable to add the lwjglcanvas to the injected game container :

世界编辑端:

JPanel _gameContainer = new JPanel(); // is inside a JFrame
MyGame game = loadGame(_gameContainer); // load the GameEngine JAR, and retrive the game

GameEngine 方面:

// container is the _gamecontainer of above
public void createGame(final Container gameContainer)  
{
    LwjglCanvas canvas = new LwjglCanvas(myapp, myconfig);
    Gdx.app.postRunnable(new Runnable()
    {
       public void run()
       {
           gameContainer.add(canvas.getCanvas());
       }
    });
}