two NetLogo InterfaceComponents in one frame

gistfile1.scala

import javax.swing.JFrame
import java.awt.FlowLayout
import org.nlogo.lite.InterfaceComponent

object Test extends App {
  val path = "/Applications/NetLogo 5.0/models/Sample Models/"
  java.awt.EventQueue.invokeAndWait(
    new Runnable {
      override def run() {
        val frame = new JFrame
        val comp1 = new InterfaceComponent(frame)
        val comp2 = new InterfaceComponent(frame)
        frame.setSize(1000, 800)
        frame.setLayout(new FlowLayout)
        frame.add(comp1)
        frame.add(comp2)
        frame.setVisible(true)
        comp1.open(path + "Earth Science/Fire.nlogo")
        comp2.open(path + "Biology/Slime.nlogo")
      }
    })
}