Java tutorial
/** * This file is part of mycollab-web. * * mycollab-web 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. * * mycollab-web 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 mycollab-web. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.vaadin.ui; import java.io.File; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.apache.commons.collections.CollectionUtils; import org.vaadin.easyuploads.MultiFileUploadExt; import com.esofthead.mycollab.common.domain.MailRecipientField; import com.esofthead.mycollab.common.i18n.GenericI18Enum; import com.esofthead.mycollab.configuration.SiteConfiguration; import com.esofthead.mycollab.core.utils.StringUtils; import com.esofthead.mycollab.module.mail.EmailAttachementSource; import com.esofthead.mycollab.module.mail.FileEmailAttachmentSource; import com.esofthead.mycollab.module.mail.service.ExtMailService; import com.esofthead.mycollab.spring.ApplicationContextUtil; import com.esofthead.mycollab.vaadin.AppContext; import com.vaadin.server.Sizeable; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.GridLayout; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.RichTextArea; import com.vaadin.ui.TextField; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.Window; /** * * @author MyCollab Ltd. * @since 1.0 * */ public class FeedbackWindow extends Window { private static final long serialVersionUID = 1L; private TextField emailTextField; private TextField subjectTextField; private TextField emailNameTextField; public FeedbackWindow() { initLayout(); } private void initLayout() { this.setCaption("Send us feedback for MyCollab "); initUI(); center(); this.setModal(true); this.setResizable(false); } private void initDefaultData() { if (AppContext.getSession() != null) { String name = AppContext.getSession().getDisplayName().equals("") ? "" : AppContext.getSession().getDisplayName(); String email = (AppContext.getSession().getEmail() == null && AppContext.getSession().getEmail().equals("")) ? "" : AppContext.getSession().getEmail(); emailNameTextField.setValue(name); emailTextField.setValue(email); } } private void initUI() { GridLayout mainLayout = new GridLayout(2, 5); mainLayout.setMargin(true); mainLayout.setSpacing(true); emailNameTextField = new TextField(); emailNameTextField.setWidth("500px"); Label emailName = new Label("Your name: "); mainLayout.addComponent(emailName, 0, 0); mainLayout.addComponent(emailNameTextField, 1, 0); emailTextField = new TextField(); emailTextField.setWidth("500px"); emailTextField.setRequired(true); Label emailLbl = new Label("Your email: "); mainLayout.addComponent(emailLbl, 0, 1); mainLayout.addComponent(emailTextField, 1, 1); subjectTextField = new TextField(); subjectTextField.setWidth("500px"); subjectTextField.setRequired(true); Label subjectLbl = new Label("Subject: "); mainLayout.addComponent(subjectLbl, 0, 2); mainLayout.addComponent(subjectTextField, 1, 2); final RichTextArea contentArea = new RichTextArea(); contentArea.setImmediate(true); contentArea.setWidth(500, Sizeable.Unit.PIXELS); contentArea.setHeight(200, Sizeable.Unit.PIXELS); Label contentLbl = new Label("Your feedback: "); mainLayout.addComponent(contentLbl, 0, 3); mainLayout.addComponent(contentArea, 1, 3); initDefaultData(); HorizontalLayout controlsLayout = new HorizontalLayout(); controlsLayout.setWidth("100%"); final AttachmentPanel attachments = new AttachmentPanel(); attachments.setWidth("350px"); MultiFileUploadExt uploadExt = new MultiFileUploadExt(attachments); uploadExt.addComponent(attachments); // Panel attachedFilepanel = new Panel(); VerticalLayout contentLayout = new VerticalLayout(); contentLayout.setHeight("80px"); contentLayout.setStyleName("noneBorder-panel"); contentLayout.setSizeUndefined(); contentLayout.addComponent(uploadExt); // attachedFilepanel.setContent(contentLayout); controlsLayout.addComponent(contentLayout); controlsLayout.setComponentAlignment(contentLayout, Alignment.BOTTOM_LEFT); controlsLayout.setExpandRatio(contentLayout, 1.0f); controlsLayout.setSpacing(true); Button cancelBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_CANCEL), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { FeedbackWindow.this.close(); } }); cancelBtn.setStyleName(UIConstants.THEME_GRAY_LINK); controlsLayout.addComponent(cancelBtn); controlsLayout.setComponentAlignment(cancelBtn, Alignment.MIDDLE_RIGHT); Button sendBtn = new Button("Send", new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { String email = emailTextField.getValue().toString().trim(); String subject = subjectTextField.getValue().toString().trim(); if (!StringUtils.isValidEmail(email)) { NotificationUtil.showWarningNotification("The email is not valid, please check it again!"); return; } if (!email.equals("") && !subject.equals("")) { ExtMailService systemMailService = ApplicationContextUtil.getSpringBean(ExtMailService.class); List<File> listFile = attachments.getListFile(); List<EmailAttachementSource> emailAttachmentSource = null; if (CollectionUtils.isNotEmpty(listFile)) { emailAttachmentSource = new ArrayList<EmailAttachementSource>(); for (File file : listFile) { emailAttachmentSource.add(new FileEmailAttachmentSource(file)); } } String nameEmailFrom = emailNameTextField.getValue().toString().trim(); nameEmailFrom = nameEmailFrom.equals("") ? email : nameEmailFrom; String toEmail = SiteConfiguration.getSendErrorEmail(); FeedbackWindow.this.close(); systemMailService.sendHTMLMail(email, nameEmailFrom, Arrays.asList(new MailRecipientField(toEmail, toEmail)), null, null, subject, contentArea.getValue().toString(), emailAttachmentSource); } else { NotificationUtil.showWarningNotification( "The email field and subject field must be not empty! Please fulfil them before pressing enter button."); } } }); sendBtn.setStyleName(UIConstants.THEME_GREEN_LINK); controlsLayout.addComponent(sendBtn); controlsLayout.setComponentAlignment(sendBtn, Alignment.MIDDLE_RIGHT); mainLayout.addComponent(controlsLayout, 0, 4, 1, 4); this.setContent(mainLayout); } }