Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package org.idwebmail.client; import com.google.gwt.user.client.ui.Tree; import com.google.gwt.user.client.ui.TreeItem; /** * * @author merma158 <jurbano@innodite.com en Innodite, C.A.> */ public class Arbol extends Tree { // Create a root tree item as Cta de Correo private TreeItem ctamail = new TreeItem() { { setHTML(""); } }; public Arbol() { TreeItem nuevo = new TreeItem() { { setHTML("Nuevo"); } }; TreeItem entrada = new TreeItem() { { setHTML("Recibidos"); } }; TreeItem salida = new TreeItem() { { setHTML("Enviados"); } }; TreeItem borrador = new TreeItem() { { setHTML("Borradores"); } }; TreeItem papelera = new TreeItem() { { setHTML("Papelera"); } }; ctamail.addItem(nuevo); ctamail.addItem(entrada); ctamail.addItem(salida); ctamail.addItem(borrador); ctamail.addItem(papelera); this.addItem(ctamail); } public void setRootName(String str) { ctamail.setHTML(str); } }