sclass DynObjectTable<A> extends DynModule {
  L<A> data;
  
  transient JTable table;
  transient F1<A, Map> itemToMap;

  JComponent visualize() {
    table = dataToTable_uneditable(sexyTable(), data);
    onDoubleClickOrEnter(table, voidfunc(int row) {
      A a = _get(data, row);
      if (a != null) onDoubleClick(a);
    });
    ret table;
  }
  void unvisualize() { table = null; }
  
  void onDoubleClick(A line) {}
  
  void update() {
    if (table != null) dataToTable_uneditable(table, map(itemToMap, data));
  }
  
  void clear() { syncClear(data); }
  void add(A a) { syncAdd(data, a); }
}