Java tutorial
/** * Copyright (C) 2011-2012 trivago GmbH <mario.mueller@trivago.com>, <christian.krause@trivago.com> * * 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.trivago.mail.pigeon.web.components.recipients; import com.trivago.mail.pigeon.bean.Mail; import com.trivago.mail.pigeon.bean.Recipient; import com.vaadin.data.util.BeanContainer; import com.vaadin.ui.CustomComponent; import com.vaadin.ui.Panel; import com.vaadin.ui.Table; import org.neo4j.graphdb.Node; import org.neo4j.graphdb.Relationship; import java.util.ArrayList; import java.util.List; public class RecipientByMailList extends CustomComponent { protected Mail mail; protected Table viewTable; protected BeanContainer<Long, Recipient> beanContainer; public RecipientByMailList(Mail mail) { this.mail = mail; init(); } private void init() { final Panel rootPanel = new Panel("Sender"); rootPanel.setWidth("800px"); viewTable = new Table(); viewTable.setWidth("100%"); viewTable.setData(mail.getId()); viewTable.setImmediate(true); beanContainer = new BeanContainer<Long, Recipient>(Recipient.class); List<Recipient> recipientList = getRecipientList(); for (Recipient recipient : recipientList) { beanContainer.addItem(recipient.getId(), recipient); } viewTable.setContainerDataSource(beanContainer); viewTable.addGeneratedColumn("openmail", new OpenMailColumnGenerator()); // First set the vis. cols, then the headlines (the other way round leads to an exception) viewTable.setVisibleColumns(new String[] { "id", "firstname", "lastname", "email", "openmail", //"bounce" }); viewTable.setColumnHeaders(new String[] { "ID", "Firstname", "Lastname", "E-Mail", "Opened Mail", //"Bounced" }); viewTable.setColumnExpandRatio(3, 2); viewTable.setColumnExpandRatio(4, 2); rootPanel.addComponent(viewTable); setCompositionRoot(rootPanel); } public List<Recipient> getRecipientList() { ArrayList<Recipient> recipients = new ArrayList<>(); Iterable<Relationship> recipientsList = mail.getRecipients(); for (Relationship rel : recipientsList) { Node userNode = rel.getEndNode(); Recipient s = new Recipient(userNode); recipients.add(s); } return recipients; } }