Java tutorial
/******************************************************************************* * Copyright (c) 2011 University of Western Australia. All rights reserved. * * This file is part of The Ark. * * The Ark 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. * * The Ark 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 this program. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package au.org.theark.study.web.menu; import java.util.ArrayList; import java.util.List; import org.apache.shiro.SecurityUtils; import org.apache.shiro.mgt.SecurityManager; import org.apache.shiro.subject.Subject; import org.apache.shiro.util.ThreadContext; import org.apache.wicket.extensions.markup.html.tabs.AbstractTab; import org.apache.wicket.extensions.markup.html.tabs.ITab; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import au.org.theark.core.Constants; import au.org.theark.core.model.study.entity.ArkFunction; import au.org.theark.core.model.study.entity.ArkModule; import au.org.theark.core.security.ArkPermissionHelper; import au.org.theark.core.service.IArkCommonService; import au.org.theark.core.web.component.menu.AbstractArkTabPanel; import au.org.theark.core.web.component.tabbedPanel.ArkAjaxTabbedPanel; import au.org.theark.study.web.component.managestudy.StudyContainerPanel; import au.org.theark.study.web.component.manageuser.UserContainerPanel; import au.org.theark.study.web.component.studycomponent.StudyComponentContainerPanel; /** * <p> * The <code>StudySubMenuTab</code> class that extends the {@link au.org.theark.core.web.component.menu.AbstractArkTabPanel AbstractArkTabPanel} * class. It provides the implementation of the Study tab panel (sub-menu). * </p> * * @author nivedann * @author cellis */ public class StudySubMenuTab extends AbstractArkTabPanel { private static final long serialVersionUID = -2725142200726870636L; private transient static Logger log = LoggerFactory.getLogger(StudySubMenuTab.class); @SpringBean(name = au.org.theark.core.Constants.ARK_COMMON_SERVICE) private IArkCommonService<Void> iArkCommonService; private WebMarkupContainer studyNameMarkup; private WebMarkupContainer studyLogoMarkup; private WebMarkupContainer arkContextMarkup; private MainTabProviderImpl mainTabProvider; private List<ITab> moduleSubTabsList = new ArrayList<ITab>(); /** * StudySubMenuTab Constructor * * @param id * this component identifier * @param studyNameMarkup * the WebMarkupContainer that references the study name in context * @param studyLogoMarkup * the WebMarkupContainer that references the study logo in context * @param arkContextMarkup * the WebMarkupContainer that references the context items */ public StudySubMenuTab(String id, WebMarkupContainer studyNameMarkup, WebMarkupContainer studyLogoMarkup, WebMarkupContainer arkContextMarkup) { super(id); this.studyNameMarkup = studyNameMarkup; this.studyLogoMarkup = studyLogoMarkup; this.arkContextMarkup = arkContextMarkup; buildTabs(); } /** * StudySubMenuTab Constructor * * @param id * this component identifier * @param studyNameMarkup * the WebMarkupContainer that references the study name in context * @param studyLogoMarkup * the WebMarkupContainer that references the study logo in context * @param arkContextMarkup * the WebMarkupContainer that references the context items * @param mainTabProvider * the reference to the main tabs (to allow repaint on Study selection) */ public StudySubMenuTab(String id, WebMarkupContainer studyNameMarkup, WebMarkupContainer studyLogoMarkup, WebMarkupContainer arkContextMarkup, MainTabProviderImpl mainTabProvider) { super(id); this.studyNameMarkup = studyNameMarkup; this.studyLogoMarkup = studyLogoMarkup; this.arkContextMarkup = arkContextMarkup; this.mainTabProvider = mainTabProvider; buildTabs(); } /** * Build the list of tabs that represent the sub-menus */ public void buildTabs() { ArkModule arkModule = iArkCommonService.getArkModuleByName(Constants.ARK_MODULE_STUDY); List<ArkFunction> arkFunctionList = iArkCommonService.getModuleFunction(arkModule);// Gets a list of ArkFunctions for the given Module /* * Iterate each ArkFunction render the Tabs.When something is clicked it uses the arkFunction and calls processAuthorizationCache to clear * principals of the user and loads the new set of principals.(permissions) */ for (final ArkFunction menuArkFunction : arkFunctionList) { moduleSubTabsList .add(new AbstractTab(new StringResourceModel(menuArkFunction.getResourceKey(), this, null)) { /** * */ private static final long serialVersionUID = -8421399480756599074L; @Override public Panel getPanel(String panelId) { Panel panelToReturn = null;// Set up a common tab that will be accessible for all users // Clear authorisation cache processAuthorizationCache(au.org.theark.core.Constants.ARK_MODULE_STUDY, menuArkFunction); if (menuArkFunction.getName() .equalsIgnoreCase(au.org.theark.core.Constants.FUNCTION_KEY_VALUE_STUDY)) { panelToReturn = new StudyContainerPanel(panelId, studyNameMarkup, studyLogoMarkup, arkContextMarkup, mainTabProvider.getModuleTabbedPanel()); } else if (menuArkFunction.getName().equalsIgnoreCase( au.org.theark.core.Constants.FUNCTION_KEY_VALUE_STUDY_COMPONENT)) { panelToReturn = new StudyComponentContainerPanel(panelId); } else if (menuArkFunction.getName() .equalsIgnoreCase(au.org.theark.core.Constants.FUNCTION_KEY_VALUE_USER)) { panelToReturn = new UserContainerPanel(panelId); } return panelToReturn; } @Override public boolean isVisible() { if (menuArkFunction.getName() .equalsIgnoreCase(au.org.theark.core.Constants.FUNCTION_KEY_VALUE_STUDY)) { // Study function always visible return true; } else { // Other functions require study in context Long sessionStudyId = (Long) SecurityUtils.getSubject().getSession() .getAttribute(au.org.theark.core.Constants.STUDY_CONTEXT_ID); // Manage Users only visible to Super Administrators or Study Administrators if (menuArkFunction.getName() .equalsIgnoreCase(au.org.theark.core.Constants.FUNCTION_KEY_VALUE_USER)) { SecurityManager securityManager = ThreadContext.getSecurityManager(); Subject currentUser = SecurityUtils.getSubject(); return ArkPermissionHelper.hasEditPermission(securityManager, currentUser) && sessionStudyId != null; } return sessionStudyId != null; } } }); } ArkAjaxTabbedPanel moduleTabbedPanel = new ArkAjaxTabbedPanel(Constants.MENU_STUDY_SUBMENU, moduleSubTabsList, arkContextMarkup); add(moduleTabbedPanel); } /** * @param log * the log to set */ public static void setLog(Logger log) { StudySubMenuTab.log = log; } /** * @return the log */ public static Logger getLog() { return log; } }