zk

package login;


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.Textbox;
import org.zkoss.zul.Window;
public class Login extends SelectorComposer<Component> {

	/**
	 *
	 */

	private static final long serialVersionUID = -1082957709625475807L;

	/**
	 *
	 */
	@Wire("win")
    private Window win;

	@Wire("user")
	private Textbox user;

	@Wire("pass")
	private Textbox  pass;
	@Listen("onClick=#submit")
	    public void submit(Event event) { //register a listener to a component called retrieve
	    if (this.pass==null)
		Messagebox.show("è null");
	    }
}