package zk.gae;

import java.util.*;

import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.event.ForwardEvent;
import org.zkoss.zk.ui.event.InputEvent;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zk.ui.util.GenericForwardComposer;
import org.zkoss.zul.Combobox;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.Textbox;

public class TestComposer extends SelectorComposer {
	private static final long serialVersionUID = -8290160089594988981L;
	@Wire
	private Combobox cbx;
	private List _data = new ArrayList();
	public void doAfterCompose(Component comp) throws Exception {
		super.doAfterCompose(comp);
		_data.add("Item one");
		_data.add("Item two");
		_data.add("Item three");
		cbx.setModel(new ListModelList<String>(matchedFieldOffices(null)));
		// METHOD one, add EventListener manually, works fine
		cbx.addEventListener("onChanging", new org.zkoss.zk.ui.event.EventListener() {
			public void onEvent (Event e) {
				updateFieldOfficeList((InputEvent)e);
			}
		});
	}
	// METHOD two, use @Listen, not work
	// @Listen("onChanging = #cbx")
	public void updateFieldOfficeList(InputEvent event) {
		cbx.setModel(new ListModelList<String>(matchedFieldOffices(event.getValue())));
	}
	private List matchedFieldOffices (String val) {
		List matchs = new ArrayList();
		if (val == null) {
			matchs.addAll(_data);
		} else {
			for (int i = 0; i < _data.size(); i++) {
				if (((String)_data.get(i)).startsWith(val)) {
					matchs.add(_data.get(i));
				}
			}
		}
		return matchs;
	}
}