package gui.interfaces; import org.apache.commons.collections.CollectionUtils; import javax.swing.*; import java.awt.*; import java.beans.VetoableChangeListener; import java.util.HashSet; /** * Created by tloehr on 11.06.15. */ public class DefaultContentPane extends JPanel { DefaultCollapsiblePanes cps = new DefaultCollapsiblePanes(); public DefaultContentPane() { super(); } public DefaultCollapsiblePanes getCps() { return cps; } @Override public Component add(Component comp) { return cps.add(comp); } }