Java tutorial
/** * Copyright 2013 Universidad Icesi * * This file is part of ACADEM. * * ACADEM is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * ACADEM is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ACADEM. If not, see <http://www.gnu.org/licenses/>. **/ package co.edu.icesi.academ.client.perfiles.administrador; import co.edu.icesi.academ.bo.MateriaBO; import com.vaadin.annotations.AutoGenerated; import com.vaadin.ui.AbsoluteLayout; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.CustomComponent; import com.vaadin.ui.Notification; import com.vaadin.ui.Notification.Type; import com.vaadin.ui.TextField; public class PanelCrearMateria extends CustomComponent { /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */ @AutoGenerated private AbsoluteLayout mainLayout; @AutoGenerated private TextField txt_nombre; @AutoGenerated private TextField txt_codigo; @AutoGenerated private Button btnGuardar; /** * */ private static final long serialVersionUID = 1L; /** * The constructor should first build the main layout, set the * composition root and then do any custom initialization. * * The constructor will not be automatically regenerated by the * visual editor. */ public PanelCrearMateria() { buildMainLayout(); setCompositionRoot(mainLayout); // TODO add user code here btnGuardar.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { crearMateria(); } }); } public void crearMateria() { String codigo = txt_codigo.getValue(); String nombre = txt_nombre.getValue(); if (codigo != "" && nombre != "") { MateriaBO materiaBO = new MateriaBO(); materiaBO.setCodigo(codigo); materiaBO.setNombre(nombre); ControladorAdministrador.getInstance().crearMateria(materiaBO); ControladorAdministrador.getInstance().getAcademUI().cerrarVentanaEmergente(); } else Notification.show("Ingreso mal los datos", Type.ERROR_MESSAGE); } @AutoGenerated private AbsoluteLayout buildMainLayout() { // common part: create layout mainLayout = new AbsoluteLayout(); mainLayout.setImmediate(false); mainLayout.setWidth("360px"); mainLayout.setHeight("180px"); // top-level component properties setWidth("360px"); setHeight("180px"); // btnGuardar btnGuardar = new Button(); btnGuardar.setCaption("Guardar"); btnGuardar.setImmediate(true); btnGuardar.setWidth("240px"); btnGuardar.setHeight("-1px"); mainLayout.addComponent(btnGuardar, "top:120.0px;left:60.0px;"); // txt_codigo txt_codigo = new TextField(); txt_codigo.setCaption("Cdigo"); txt_codigo.setImmediate(false); txt_codigo.setWidth("240px"); txt_codigo.setHeight("-1px"); mainLayout.addComponent(txt_codigo, "top:40.0px;left:60.0px;"); // txt_nombre txt_nombre = new TextField(); txt_nombre.setCaption("Nombre"); txt_nombre.setImmediate(false); txt_nombre.setWidth("240px"); txt_nombre.setHeight("-1px"); mainLayout.addComponent(txt_nombre, "top:80.0px;left:60.0px;"); return mainLayout; } }