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.module.project.view.user; import com.esofthead.mycollab.common.GenericLinkUtils; import com.esofthead.mycollab.configuration.StorageManager; import com.esofthead.mycollab.core.arguments.SetSearchField; import com.esofthead.mycollab.core.utils.DateTimeUtils; import com.esofthead.mycollab.html.DivLessFormatter; import com.esofthead.mycollab.module.project.CurrentProjectVariables; import com.esofthead.mycollab.module.project.ProjectLinkBuilder; import com.esofthead.mycollab.module.project.ProjectTypeConstants; import com.esofthead.mycollab.module.project.domain.SimpleMessage; import com.esofthead.mycollab.module.project.domain.criteria.MessageSearchCriteria; import com.esofthead.mycollab.module.project.i18n.MessageI18nEnum; import com.esofthead.mycollab.module.project.i18n.ProjectCommonI18nEnum; import com.esofthead.mycollab.module.project.service.MessageService; import com.esofthead.mycollab.module.project.ui.ProjectAssetsManager; import com.esofthead.mycollab.spring.ApplicationContextUtil; import com.esofthead.mycollab.vaadin.AppContext; import com.esofthead.mycollab.vaadin.ui.DefaultBeanPagedList; import com.hp.gagawa.java.elements.A; import com.hp.gagawa.java.elements.Img; import com.hp.gagawa.java.elements.Text; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.ui.Alignment; import com.vaadin.ui.Component; import com.vaadin.ui.CssLayout; import com.vaadin.ui.Label; import org.vaadin.maddon.layouts.MHorizontalLayout; import org.vaadin.maddon.layouts.MVerticalLayout; /** * * @author MyCollab Ltd. * @since 1.0 * */ public class ProjectMessageListComponent extends MVerticalLayout { private static final long serialVersionUID = 1L; private final DefaultBeanPagedList<MessageService, MessageSearchCriteria, SimpleMessage> messageList; public ProjectMessageListComponent() { withSpacing(false).withMargin(false); Label titleLbl = new Label(AppContext.getMessage(MessageI18nEnum.WIDGET_LASTEST_NEWS)); MHorizontalLayout header = new MHorizontalLayout().withSpacing(true) .withMargin(new MarginInfo(false, true, false, true)).withHeight("34px").withWidth("100%") .with(titleLbl).withAlign(titleLbl, Alignment.MIDDLE_LEFT); header.addStyleName("panel-header"); messageList = new DefaultBeanPagedList<>(ApplicationContextUtil.getSpringBean(MessageService.class), new MessageRowDisplayHandler(), 5); this.with(header, messageList); } public void showLatestMessages() { final MessageSearchCriteria searchCriteria = new MessageSearchCriteria(); searchCriteria.setProjectids(new SetSearchField<>(CurrentProjectVariables.getProjectId())); messageList.setSearchCriteria(searchCriteria); } public static class MessageRowDisplayHandler implements DefaultBeanPagedList.RowDisplayHandler<SimpleMessage> { @Override public Component generateRow(final SimpleMessage message, final int rowIndex) { final CssLayout layout = new CssLayout(); layout.setWidth("100%"); layout.setStyleName("list-row"); if ((rowIndex + 1) % 2 != 0) { layout.addStyleName("odd"); } final CssLayout header = new CssLayout(); final String content = AppContext.getMessage(ProjectCommonI18nEnum.FEED_PROJECT_MESSAGE_TITLE, buildAssigneeValue(message), buildMessage(message)); final Label actionLbl = new Label(content, ContentMode.HTML); header.addComponent(actionLbl); layout.addComponent(header); final CssLayout body = new CssLayout(); body.setStyleName("activity-date"); final Label dateLbl = new Label(AppContext.getMessage(MessageI18nEnum.OPT_FROM_TIME_ENTRY, DateTimeUtils.getPrettyDateValue(message.getPosteddate(), AppContext.getUserLocale()))); body.addComponent(dateLbl); layout.addComponent(body); return layout; } private String buildAssigneeValue(SimpleMessage message) { DivLessFormatter div = new DivLessFormatter(); Img avatar = new Img("", StorageManager.getAvatarLink(message.getPostedUserAvatarId(), 16)); A assigneeLink = new A(); assigneeLink.setHref(ProjectLinkBuilder.generateProjectMemberFullLink(message.getProjectid(), message.getPosteduser())); assigneeLink.appendText(message.getFullPostedUserName()); div.appendChild(avatar, DivLessFormatter.EMPTY_SPACE(), assigneeLink); return div.write(); } private String buildMessage(SimpleMessage message) { DivLessFormatter div = new DivLessFormatter(); Text messageIcon = new Text(ProjectAssetsManager.getAsset(ProjectTypeConstants.MESSAGE).getHtml()); A msgLink = new A(); msgLink.setHref(ProjectLinkBuilder.generateMessagePreviewFullLink(message.getProjectid(), message.getId(), GenericLinkUtils.URL_PREFIX_PARAM)); msgLink.appendText(message.getTitle()); div.appendChild(messageIcon, DivLessFormatter.EMPTY_SPACE(), msgLink); return div.write(); } } }