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. * * *********************************************************************************************************************** * * ResearchGroupsDetailPage.java, 2013/10/02 00:01 Jakub Rinkes ******************************************************************************/ package cz.zcu.kiv.eegdatabase.wui.ui.groups; import cz.zcu.kiv.eegdatabase.data.pojo.GroupPermissionRequest; import cz.zcu.kiv.eegdatabase.data.pojo.ResearchGroup; import cz.zcu.kiv.eegdatabase.logic.Util; import cz.zcu.kiv.eegdatabase.wui.app.EEGDataBaseApplication; import cz.zcu.kiv.eegdatabase.wui.app.session.EEGDataBaseSession; import cz.zcu.kiv.eegdatabase.wui.components.menu.button.ButtonPageMenu; import cz.zcu.kiv.eegdatabase.wui.components.page.BasePage; import cz.zcu.kiv.eegdatabase.wui.components.page.MenuPage; import cz.zcu.kiv.eegdatabase.wui.components.utils.PageParametersUtils; import cz.zcu.kiv.eegdatabase.wui.components.utils.ResourceUtils; import cz.zcu.kiv.eegdatabase.wui.core.group.ResearchGroupFacade; import cz.zcu.kiv.eegdatabase.wui.core.security.SecurityFacade; import cz.zcu.kiv.eegdatabase.wui.ui.groups.form.AddMemberToGroupPage; import cz.zcu.kiv.eegdatabase.wui.ui.groups.form.ResearchGroupFormPage; import org.apache.wicket.RestartResponseAtInterceptPageException; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.attributes.AjaxCallListener; import org.apache.wicket.ajax.attributes.AjaxRequestAttributes; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.link.BookmarkablePageLink; 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 org.springframework.mail.MailException; import java.util.ArrayList; import java.util.List; /** * Page of detail for research group. * * @author Jakub Rinkes * */ @AuthorizeInstantiation(value = { "ROLE_READER", "ROLE_USER", "ROLE_EXPERIMENTER", "ROLE_ADMIN" }) public class ResearchGroupsDetailPage extends MenuPage { private static final long serialVersionUID = -1967810037377960414L; @SpringBean ResearchGroupFacade researchGroupFacade; @SpringBean SecurityFacade securityFacade; public ResearchGroupsDetailPage() { setPageTitle(ResourceUtils.getModel("pageTitle.researchGroupDetail")); } public ResearchGroupsDetailPage(PageParameters parameters) { setPageTitle(ResourceUtils.getModel("pageTitle.researchGroupDetail")); add(new ButtonPageMenu("leftMenu", prepareLeftMenu())); StringValue value = parseParameters(parameters); int groupId = value.toInt(); final ResearchGroup group = researchGroupFacade.getResearchGroupById(groupId); add(new Label("title", group.getTitle())); add(new Label("description", group.getDescription())); AjaxLink<Void> requestMembership = new AjaxLink<Void>("request") { private static final long serialVersionUID = 1L; @Override public void onClick(AjaxRequestTarget target) { try { GroupPermissionRequest request = new GroupPermissionRequest(); request.setPerson(EEGDataBaseSession.get().getLoggedUser()); request.setResearchGroup(group); request.setRequestedPermission(Util.GROUP_EXPERIMENTER); researchGroupFacade.createPermissionRequest(request); info("Request was send."); setVisibilityAllowed(false); target.add(this); } catch (MailException e) { error("Request was not send."); } target.add(getFeedback()); } @Override protected void updateAjaxAttributes(AjaxRequestAttributes attributes) { super.updateAjaxAttributes(attributes); AjaxCallListener ajaxCallListener = new AjaxCallListener(); ajaxCallListener.onPrecondition("return confirm('" + ResourceUtils.getString( "text.confirmSendingMembershipRequest", new Model<ResearchGroup>(group)) + "');"); attributes.getAjaxCallListeners().add(ajaxCallListener); } }; requestMembership.setVisibilityAllowed(!securityFacade.userIsMemberInGroup(groupId)); BookmarkablePageLink<Void> listOfMembers = new BookmarkablePageLink<Void>("listOfMembers", ListOfMembersGroupPage.class, PageParametersUtils.getDefaultPageParameters(groupId)); BookmarkablePageLink<Void> addMember = new BookmarkablePageLink<Void>("addMember", AddMemberToGroupPage.class, PageParametersUtils.getDefaultPageParameters(groupId)); BookmarkablePageLink<Void> editGroup = new BookmarkablePageLink<Void>("editGroup", ResearchGroupFormPage.class, PageParametersUtils.getDefaultPageParameters(groupId)); BookmarkablePageLink<Void> listOfPlans = new BookmarkablePageLink<Void>("listGroupMembershipPlans", ListOfMembershipPlansGroupPage.class, PageParametersUtils.getDefaultPageParameters(groupId)); boolean userIsAdminInGroup = securityFacade.userIsAdminInGroup(groupId); listOfMembers.setVisibilityAllowed(securityFacade.userIsExperimenterInGroup(groupId)); addMember.setVisibilityAllowed(userIsAdminInGroup); editGroup.setVisibilityAllowed(userIsAdminInGroup); add(requestMembership, listOfMembers, addMember, editGroup, listOfPlans); } private GroupPageLeftMenu[] prepareLeftMenu() { List<GroupPageLeftMenu> list = new ArrayList<GroupPageLeftMenu>(); boolean authorizedToRequestGroupRole = securityFacade.isAuthorizedToRequestGroupRole(); for (GroupPageLeftMenu tmp : GroupPageLeftMenu.values()) list.add(tmp); if (!authorizedToRequestGroupRole) list.remove(GroupPageLeftMenu.REQUEST_FOR_GROUP_ROLE); GroupPageLeftMenu[] array = new GroupPageLeftMenu[list.size()]; return list.toArray(array); } private StringValue parseParameters(PageParameters parameters) { StringValue value = parameters.get(BasePage.DEFAULT_PARAM_ID); if (value.isNull() || value.isEmpty()) throw new RestartResponseAtInterceptPageException(EEGDataBaseApplication.get().getHomePage()); return value; } }