Java tutorial
/******************************************************************************* * This file is part of the EEG-database project * * ========================================== * * Copyright (C) 2013 by University of West Bohemia (http://www.zcu.cz/en/) * * *********************************************************************************************************************** * * 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. * * *********************************************************************************************************************** * * ViewArticlePage.java, 2014/05/13 00:01 Jakub Rinkes ******************************************************************************/ package cz.zcu.kiv.eegdatabase.wui.ui.articles; import java.util.ArrayList; import java.util.List; import org.apache.wicket.RestartResponseAtInterceptPageException; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.basic.MultiLineLabel; import org.apache.wicket.markup.html.link.BookmarkablePageLink; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.PropertyListView; import org.apache.wicket.model.CompoundPropertyModel; import org.apache.wicket.model.Model; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.util.string.StringValue; import cz.zcu.kiv.eegdatabase.data.pojo.Article; import cz.zcu.kiv.eegdatabase.data.pojo.ArticleComment; import cz.zcu.kiv.eegdatabase.data.pojo.Person; import cz.zcu.kiv.eegdatabase.data.pojo.ResearchGroup; import cz.zcu.kiv.eegdatabase.wui.app.session.EEGDataBaseSession; import cz.zcu.kiv.eegdatabase.wui.components.form.input.AjaxConfirmLink; import cz.zcu.kiv.eegdatabase.wui.components.menu.button.ButtonPageMenu; import cz.zcu.kiv.eegdatabase.wui.components.page.MenuPage; import cz.zcu.kiv.eegdatabase.wui.components.table.TimestampLabel; import cz.zcu.kiv.eegdatabase.wui.components.utils.PageParametersUtils; import cz.zcu.kiv.eegdatabase.wui.components.utils.ResourceUtils; import cz.zcu.kiv.eegdatabase.wui.components.utils.StringUtils; import cz.zcu.kiv.eegdatabase.wui.core.UserRole; import cz.zcu.kiv.eegdatabase.wui.core.article.ArticleFacade; import cz.zcu.kiv.eegdatabase.wui.core.security.SecurityFacade; import cz.zcu.kiv.eegdatabase.wui.ui.articles.components.ArticleCommentFormPanel; import cz.zcu.kiv.eegdatabase.wui.ui.articles.components.ArticleCommentPanel; import cz.zcu.kiv.eegdatabase.wui.ui.articles.components.SubscribeLink; @AuthorizeInstantiation(value = { "ROLE_READER", "ROLE_USER", "ROLE_EXPERIMENTER", "ROLE_ADMIN" }) public class ViewArticlePage extends MenuPage { private static final long serialVersionUID = -4755705839078394200L; @SpringBean private ArticleFacade articleFacade; @SpringBean private SecurityFacade securityFacade; public ViewArticlePage(PageParameters parameters) { StringValue param = parameters.get(DEFAULT_PARAM_ID); if (param.isNull() || param.isEmpty()) { throw new RestartResponseAtInterceptPageException(ArticlesPage.class); } int articleId = param.toInt(); setupComponents(articleId); } private void setupComponents(int articleId) { add(new ButtonPageMenu("leftMenu", ArticlesPageLeftMenu.values())); PageParameters pageParameters = PageParametersUtils.getDefaultPageParameters(articleId); final Article article = articleFacade.getArticleDetail(articleId, EEGDataBaseSession.get().getLoggedUser()); CompoundPropertyModel<Article> model = new CompoundPropertyModel<Article>(article); setDefaultModel(model); Label pageTitle = new Label("title"); add(pageTitle); ResearchGroup group = article.getResearchGroup(); add(new Label("group", group == null ? ResourceUtils.getString("label.publicArticle") : group.getTitle())); add(new TimestampLabel("time", article.getTime(), StringUtils.DATE_FORMAT_PATTER)); add(new Label("person.givenname").setRenderBodyOnly(true)); add(new Label("person.surname").setRenderBodyOnly(true)); BookmarkablePageLink<Void> editLink = new BookmarkablePageLink<Void>("editLink", ArticleFormPage.class, pageParameters); AjaxConfirmLink<Void> deleteLink = new AjaxConfirmLink<Void>("deleteLink", ResourceUtils.getString("text.delete.article")) { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { // delete article articleFacade.delete(article); setResponsePage(ArticlesPage.class); } }; Person loggedUser = EEGDataBaseSession.get().getLoggedUser(); boolean showControlLinks = EEGDataBaseSession.get().hasRole(UserRole.ROLE_ADMIN.name()) || loggedUser.getPersonId() == article.getPerson().getPersonId(); editLink.setVisibilityAllowed(showControlLinks); deleteLink.setVisibilityAllowed(showControlLinks); add(editLink, deleteLink); add(new SubscribeLink("subscribe", model, articleFacade)); add(new MultiLineLabel("text")); ArticleComment comment = new ArticleComment(loggedUser); comment.setArticle(article); ArticleCommentFormPanel articleCommentFormPanel = new ArticleCommentFormPanel("commentFormPanel", new Model<ArticleComment>(comment), getFeedback()); boolean canUserAddComment = securityFacade.userIsGroupAdmin() || securityFacade.userIsExperimenter(); articleCommentFormPanel.setVisibilityAllowed(canUserAddComment); add(articleCommentFormPanel); List<ArticleComment> commentList = new ArrayList<ArticleComment>(model.getObject().getArticleComments()); PropertyListView<ArticleComment> comments = new PropertyListView<ArticleComment>("articleComments", commentList) { private static final long serialVersionUID = 1L; @Override protected void populateItem(ListItem<ArticleComment> item) { item.add(new ArticleCommentPanel("commentPanel", item.getModel())); } }; comments.setRenderBodyOnly(true); add(comments); } }