Java tutorial
/* * Copyright (c) 2011-2015 Marat Gubaidullin. * * This file is part of HYBRIDBPM. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. * */ package com.hybridbpm.ui.component.crud; import com.hybridbpm.core.data.development.Module; import com.hybridbpm.ui.HybridbpmUI; import com.hybridbpm.ui.dashboard.DashboardEventListener; import com.hybridbpm.ui.dashboard.DashboardMessage; import com.vaadin.ui.*; import com.vaadin.ui.declarative.*; import com.vaadin.annotations.DesignRoot; import com.vaadin.data.fieldgroup.BeanFieldGroup; import com.vaadin.data.fieldgroup.FieldGroup; import java.util.logging.Level; import java.util.logging.Logger; @DesignRoot public class CrudForm extends VerticalLayout implements DashboardEventListener { private static final Logger logger = Logger.getLogger(CrudForm.class.getSimpleName()); /* generated datasources start */ private final BeanFieldGroup<Module> beanFieldGroup = new BeanFieldGroup<>(Module.class); /* generated datasources */ /* generated components start */ private TextField idTextField; private TextField versionTextField; private TextField nameTextField; /* generated components end */ public CrudForm() { Design.read(this); /* generated bindings start */ beanFieldGroup.bind(idTextField, "id"); /* generated bindings end */ } @Override public void attach() { super.attach(); /* generated loads start */ beanFieldGroup.setItemDataSource(HybridbpmUI.getCrudAPI().read(Module.class, null)); /* generated loads end */ } @Override public void onMessage(DashboardMessage message) { if (message.getType().equals(DashboardMessage.EVENT_TYPE.CUSTOM) && message.getName().equals("Module")) { beanFieldGroup.setItemDataSource( HybridbpmUI.getCrudAPI().read(Module.class, "where @rid = " + message.getBody())); } } public void save() { try { /* generated commits start */ beanFieldGroup.commit(); beanFieldGroup .setItemDataSource(HybridbpmUI.getCrudAPI().save(beanFieldGroup.getItemDataSource().getBean())); /* generated commits end */ } catch (FieldGroup.CommitException ex) { logger.log(Level.SEVERE, ex.getMessage(), ex); } } }