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.common.ui.components; import com.esofthead.mycollab.common.domain.SimpleComment; import com.esofthead.mycollab.common.i18n.GenericI18Enum; import com.esofthead.mycollab.common.service.CommentService; import com.esofthead.mycollab.configuration.SiteConfiguration; import com.esofthead.mycollab.core.utils.DateTimeUtils; import com.esofthead.mycollab.eventmanager.EventBusFactory; import com.esofthead.mycollab.module.ecm.domain.Content; import com.esofthead.mycollab.module.project.events.ProjectMemberEvent; import com.esofthead.mycollab.spring.ApplicationContextUtil; import com.esofthead.mycollab.vaadin.AppContext; import com.esofthead.mycollab.vaadin.ui.*; import com.vaadin.server.FontAwesome; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.shared.ui.label.ContentMode; import com.vaadin.ui.*; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import org.apache.commons.collections.CollectionUtils; import org.vaadin.dialogs.ConfirmDialog; import org.vaadin.maddon.layouts.MHorizontalLayout; import org.vaadin.maddon.layouts.MVerticalLayout; import java.util.List; /** * * @author MyCollab Ltd. * @since 1.0 */ public class CommentRowDisplayHandler extends BeanList.RowDisplayHandler<SimpleComment> { private static final long serialVersionUID = 1L; @Override public Component generateRow(final SimpleComment comment, int rowIndex) { final MHorizontalLayout layout = new MHorizontalLayout().withSpacing(true).withMargin(false) .withWidth("100%").withStyleName("message"); MVerticalLayout userBlock = new MVerticalLayout().withSpacing(true).withMargin(false).withWidth("80px"); userBlock.setDefaultComponentAlignment(Alignment.TOP_CENTER); ClickListener gotoUser = new ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { EventBusFactory.getInstance().post(new ProjectMemberEvent.GotoRead(this, comment.getCreateduser())); } }; Button userAvatarBtn = UserAvatarControlFactory.createUserAvatarButtonLink(comment.getOwnerAvatarId(), comment.getOwnerFullName()); userAvatarBtn.addClickListener(gotoUser); userBlock.addComponent(userAvatarBtn); Button userName = new Button(comment.getOwnerFullName()); userName.setStyleName("user-name"); userName.addStyleName("link"); userName.addStyleName(UIConstants.WORD_WRAP); userName.addClickListener(gotoUser); userBlock.addComponent(userName); layout.addComponent(userBlock); CssLayout rowLayout = new CssLayout(); rowLayout.setStyleName("message-container"); rowLayout.setWidth("100%"); MHorizontalLayout messageHeader = new MHorizontalLayout().withSpacing(true) .withMargin(new MarginInfo(true, true, false, true)).withWidth("100%") .withStyleName("message-header"); messageHeader.setDefaultComponentAlignment(Alignment.MIDDLE_LEFT); Label timePostLbl = new Label( AppContext.getMessage(GenericI18Enum.EXT_ADDED_COMMENT, comment.getOwnerFullName(), DateTimeUtils.getPrettyDateValue(comment.getCreatedtime(), AppContext.getUserLocale())), ContentMode.HTML); timePostLbl.setDescription(AppContext.formatDateTime(comment.getCreatedtime())); timePostLbl.setSizeUndefined(); timePostLbl.setStyleName("time-post"); messageHeader.addComponent(timePostLbl); messageHeader.setExpandRatio(timePostLbl, 1.0f); // Message delete button Button msgDeleteBtn = new Button(); msgDeleteBtn.setIcon(FontAwesome.TRASH_O); msgDeleteBtn.setStyleName(UIConstants.BUTTON_ICON_ONLY); messageHeader.addComponent(msgDeleteBtn); if (hasDeletePermission(comment)) { msgDeleteBtn.setVisible(true); msgDeleteBtn.addClickListener(new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(ClickEvent event) { ConfirmDialogExt.show(UI.getCurrent(), AppContext.getMessage(GenericI18Enum.DIALOG_DELETE_TITLE, SiteConfiguration.getSiteName()), AppContext.getMessage(GenericI18Enum.DIALOG_DELETE_SINGLE_ITEM_MESSAGE), AppContext.getMessage(GenericI18Enum.BUTTON_YES), AppContext.getMessage(GenericI18Enum.BUTTON_NO), new ConfirmDialog.Listener() { private static final long serialVersionUID = 1L; @Override public void onClose(ConfirmDialog dialog) { if (dialog.isConfirmed()) { CommentService commentService = ApplicationContextUtil .getSpringBean(CommentService.class); commentService.removeWithSession(comment.getId(), AppContext.getUsername(), AppContext.getAccountId()); CommentRowDisplayHandler.this.owner.removeRow(layout); } } }); } }); } else { msgDeleteBtn.setVisible(false); } rowLayout.addComponent(messageHeader); Label messageContent = new UrlDetectableLabel(comment.getComment()); messageContent.setStyleName("message-body"); rowLayout.addComponent(messageContent); List<Content> attachments = comment.getAttachments(); if (!CollectionUtils.isEmpty(attachments)) { MVerticalLayout messageFooter = new MVerticalLayout().withSpacing(false).withMargin(true) .withWidth("100%").withStyleName("message-footer"); AttachmentDisplayComponent attachmentDisplay = new AttachmentDisplayComponent(attachments); attachmentDisplay.setWidth("100%"); messageFooter.addComponent(attachmentDisplay); messageFooter.setComponentAlignment(attachmentDisplay, Alignment.MIDDLE_RIGHT); rowLayout.addComponent(messageFooter); } layout.addComponent(rowLayout); layout.setExpandRatio(rowLayout, 1.0f); return layout; } private boolean hasDeletePermission(SimpleComment comment) { return (AppContext.getUsername().equals(comment.getCreateduser()) || AppContext.isAdmin()); } }