import org.zkoss.zk.ui.GenericRichlet;
import org.zkoss.zk.ui.Page;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zul.*;

public class CellEditorBug extends GenericRichlet
{
  @Override
  public void service(Page page) throws Exception
  {
    final Window window = new Window();
    window.setSizable(true);
    window.setPage(page);
    window.setWidth("600px");
    window.setHeight("400px");

    final Vlayout vlayout = new Vlayout();
    vlayout.setVflex("1");
    vlayout.setHflex("1");

    final ListModelList<String> model = new ListModelList<>();

    Listbox listbox = createListbox(model);
    listbox.setAttribute("org.zkoss.zul.listbox.rod", false);
    vlayout.appendChild(listbox);

    Button button = new Button("Add Item");
    button.addEventListener(Events.ON_CLICK, new EventListener<Event>()
    {
      @Override
      public void onEvent(Event event) throws Exception
      {
        model.add("Item " + model.getSize());
      }
    });
    vlayout.appendChild(button);

    Listbox listboxROD = createListbox(model);
    listboxROD.setAttribute("org.zkoss.zul.listbox.rod", true);
    vlayout.appendChild(listboxROD);

    window.appendChild(vlayout);
  }

  public Listbox createListbox(ListModelList<String> model)
  {
    Listbox listbox1 = new Listbox();
    listbox1.setVflex("1");
    listbox1.setHflex("1");

    Listhead listhead = new Listhead();
    listhead.appendChild(new Listheader("Col 1", null, "50%"));
    listhead.appendChild(new Listheader("Col 2", null, "50%"));
    listbox1.appendChild(listhead);

    listbox1.setModel(model);
    listbox1.setItemRenderer(new ListitemRenderer<String>()
    {
      @Override
      public void render(Listitem item, String data, int index) throws Exception
      {
        item.appendChild(createCell());
        item.appendChild(createCell());
      }

      public Listcell createCell()
      {
        Listcell listcell = new Listcell();
        Combobox combobox = new Combobox();
        combobox.setHflex("1");
        combobox.setModel(new ListModelArray<>(new String[]{"Option 1", "Option 2", "Option 3"}));
        combobox.setAutocomplete(true);
        listcell.appendChild(combobox);
        return listcell;
      }
    });
    return listbox1;
  }
}