package login;

import org.apache.poi.ss.usermodel.Textbox;

import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.VariableResolver;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zk.ui.select.annotation.WireVariable;
import org.zkoss.zul.Messagebox;
import org.zkoss.zul.Window;
public class Login extends SelectorComposer<Component> {

	/**
	 * 
	 */
	
	private static final long serialVersionUID = -1082957709625475807L;

	/**
	 * 
	 */
    private Window win;
	private Textbox user;

	private Textbox  pass;
	public void doAfterCompose(Window comp) throws Exception {
	      super.doAfterCompose(comp); //wire variables and event listners
	      //do whatever you want (you could access wired variables here)
	   }
	@Listen("onClick=#submit")
	    public void submit(Event event) { //register a listener to a component called retrieve
	    if (this.pass==null) 
		Messagebox.show("è null");
	    }
}