sclass JG22Label > SingleComponentPanel {
  G22Label label;
  
  JLabel jLabel;
  JTextField tf;
  
  *() { init(); }
  *(G22Label *label) { init(); }
  
  void init {
    if (label == null)
      setComponent(tf = jTextField());
    else {
      jLabel = jLabel(label.name);
      onEnter(jLabel, rThread { doneEditing(getTextTrim(jLabel)) });
      setComponent(jLabel);
    }
  }
  
  swappable void doneEditing(S text) {}
}