@Override
 protected void componentActivated() {
   WindowManager.getDefault().findTopComponent("AssignmentEditorTopComponent").open();
   WindowManager.getDefault()
       .findTopComponent("AssignmentEditorTopComponent")
       .requestFocusInWindow();
   WindowManager.getDefault().findTopComponent("AssignmentEditorTopComponent").requestActive();
   super
       .componentActivated(); // To change body of generated methods, choose Tools | Templates.
 }
 @Override
 protected void componentActivated() {
   super.componentActivated();
   hc.componentActivated();
 }