CourseRuntimeController.java

/**
 * <a href="http://www.openolat.org">
 * OpenOLAT - Online Learning and Training</a><br>
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); <br>
 * you may not use this file except in compliance with the License.<br>
 * You may obtain a copy of the License at the
 * <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
 * <p>
 * Unless required by applicable law or agreed to in writing,<br>
 * software distributed under the License is distributed on an "AS IS" BASIS, <br>
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
 * See the License for the specific language governing permissions and <br>
 * limitations under the License.
 * <p>
 * Initial code contributed and copyrighted by<br>
 * frentix GmbH, http://www.frentix.com
 * <p>
 */
package org.olat.course.run;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

import org.olat.NewControllerFactory;
import org.olat.commons.calendar.CalendarModule;
import org.olat.core.CoreSpringFactory;
import org.olat.core.commons.controllers.linkchooser.CustomLinkTreeModel;
import org.olat.core.commons.fullWebApp.LayoutMain3ColsController;
import org.olat.core.commons.fullWebApp.popup.BaseFullWebappPopupLayoutFactory;
import org.olat.core.commons.modules.bc.FolderRunController;
import org.olat.core.commons.modules.glossary.GlossaryMainController;
import org.olat.core.commons.persistence.PersistenceHelper;
import org.olat.core.commons.services.mark.Mark;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.Windows;
import org.olat.core.gui.components.Component;
import org.olat.core.gui.components.dropdown.Dropdown;
import org.olat.core.gui.components.dropdown.Dropdown.Spacer;
import org.olat.core.gui.components.htmlheader.jscss.CustomCSS;
import org.olat.core.gui.components.link.Link;
import org.olat.core.gui.components.link.LinkFactory;
import org.olat.core.gui.components.link.LinkPopupSettings;
import org.olat.core.gui.components.stack.BreadcrumbedStackedPanel.BreadCrumb;
import org.olat.core.gui.components.stack.PopEvent;
import org.olat.core.gui.components.stack.TooledStackedPanel.Align;
import org.olat.core.gui.components.stack.VetoPopEvent;
import org.olat.core.gui.control.ChiefController;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.Event;
import org.olat.core.gui.control.VetoableCloseController;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.control.creator.ControllerCreator;
import org.olat.core.gui.control.generic.closablewrapper.CloseableCalloutWindowController;
import org.olat.core.gui.control.generic.closablewrapper.CloseableModalController;
import org.olat.core.gui.control.generic.dtabs.Activateable2;
import org.olat.core.gui.control.generic.dtabs.DTab;
import org.olat.core.gui.control.generic.dtabs.DTabs;
import org.olat.core.gui.control.generic.messages.MessageUIFactory;
import org.olat.core.gui.control.generic.popup.PopupBrowserWindow;
import org.olat.core.id.Identity;
import org.olat.core.id.OLATResourceable;
import org.olat.core.id.context.BusinessControlFactory;
import org.olat.core.id.context.ContextEntry;
import org.olat.core.id.context.StateEntry;
import org.olat.core.logging.OLATSecurityException;
import org.olat.core.logging.activity.ThreadLocalUserActivityLogger;
import org.olat.core.util.StringHelper;
import org.olat.core.util.coordinate.CoordinatorManager;
import org.olat.core.util.event.GenericEventListener;
import org.olat.core.util.event.MultiUserEvent;
import org.olat.core.util.mail.MailPackage;
import org.olat.core.util.mail.MailerResult;
import org.olat.core.util.prefs.Preferences;
import org.olat.core.util.resource.OresHelper;
import org.olat.core.util.tree.TreeVisitor;
import org.olat.core.util.vfs.NamedContainerImpl;
import org.olat.core.util.vfs.VFSContainer;
import org.olat.course.CourseFactory;
import org.olat.course.CourseModule;
import org.olat.course.ICourse;
import org.olat.course.archiver.ArchiverMainController;
import org.olat.course.archiver.FullAccessArchiverCallback;
import org.olat.course.area.CourseAreasController;
import org.olat.course.assessment.AssessmentChangedEvent;
import org.olat.course.assessment.AssessmentModule;
import org.olat.course.assessment.ui.mode.AssessmentModeListController;
import org.olat.course.assessment.ui.mode.AssessmentModeSecurityCallback;
import org.olat.course.assessment.ui.mode.AssessmentModeSecurityCallbackFactory;
import org.olat.course.assessment.ui.tool.AssessmentToolController;
import org.olat.course.certificate.ui.CertificateAndEfficiencyStatementController;
import org.olat.course.config.CourseConfig;
import org.olat.course.config.CourseConfigEvent;
import org.olat.course.config.ui.CourseSettingsController;
import org.olat.course.db.CourseDBManager;
import org.olat.course.db.CustomDBMainController;
import org.olat.course.editor.EditorMainController;
import org.olat.course.groupsandrights.CourseGroupManager;
import org.olat.course.groupsandrights.CourseRights;
import org.olat.course.learningpath.manager.LearningPathNodeAccessProvider;
import org.olat.course.learningpath.ui.IdentityOverviewController;
import org.olat.course.member.MembersManagementMainController;
import org.olat.course.nodes.CourseNode;
import org.olat.course.nodes.ENCourseNode;
import org.olat.course.nodes.co.COToolController;
import org.olat.course.nodes.fo.FOToolController;
import org.olat.course.nodes.info.InfoRunController;
import org.olat.course.nodes.members.MembersToolRunController;
import org.olat.course.reminder.ui.CourseRemindersController;
import org.olat.course.run.calendar.CourseCalendarController;
import org.olat.course.run.glossary.CourseGlossaryFactory;
import org.olat.course.run.glossary.CourseGlossaryToolLinkController;
import org.olat.course.run.userview.UserCourseEnvironment;
import org.olat.course.run.userview.UserCourseEnvironmentImpl;
import org.olat.course.statistic.StatisticCourseNodesController;
import org.olat.course.statistic.StatisticMainController;
import org.olat.course.statistic.StatisticType;
import org.olat.course.tree.CourseInternalLinkTreeModel;
import org.olat.group.BusinessGroup;
import org.olat.group.BusinessGroupRef;
import org.olat.group.BusinessGroupService;
import org.olat.group.ui.edit.BusinessGroupModifiedEvent;
import org.olat.instantMessaging.InstantMessagingModule;
import org.olat.instantMessaging.InstantMessagingService;
import org.olat.instantMessaging.OpenInstantMessageEvent;
import org.olat.modules.assessment.ui.AssessmentToolSecurityCallback;
import org.olat.modules.lecture.LectureModule;
import org.olat.modules.lecture.LectureService;
import org.olat.modules.lecture.RepositoryEntryLectureConfiguration;
import org.olat.modules.lecture.ui.LectureRepositoryAdminController;
import org.olat.modules.lecture.ui.LecturesSecurityCallback;
import org.olat.modules.lecture.ui.LecturesSecurityCallbackFactory;
import org.olat.modules.lecture.ui.TeacherOverviewController;
import org.olat.modules.reminder.ReminderModule;
import org.olat.note.NoteController;
import org.olat.repository.LeavingStatusList;
import org.olat.repository.RepositoryEntry;
import org.olat.repository.RepositoryEntryManagedFlag;
import org.olat.repository.RepositoryEntryStatusEnum;
import org.olat.repository.RepositoryManager;
import org.olat.repository.controllers.EntryChangedEvent;
import org.olat.repository.model.RepositoryEntrySecurity;
import org.olat.repository.ui.RepositoryEntryLifeCycleChangeController;
import org.olat.repository.ui.RepositoryEntryRuntimeController;
import org.olat.resource.OLATResource;
import org.olat.search.SearchModule;
import org.olat.search.SearchServiceUIFactory;
import org.olat.search.SearchServiceUIFactory.DisplayOption;
import org.olat.search.service.QuickSearchEvent;
import org.olat.search.ui.SearchInputController;
import org.olat.util.logging.activity.LoggingResourceable;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * 
 * Initial date: 20.08.2014<br>
 * @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
 *
 */
public class CourseRuntimeController extends RepositoryEntryRuntimeController implements GenericEventListener, VetoableCloseController  {
	
	private static final String JOINED = "joined";
	private static final String LEFT   = "left";
	private static final String CMD_START_GROUP_PREFIX = "cmd.group.start.ident.";
	
	private Delayed delayedClose;

	//tools
	private Link folderLink,
		assessmentLink, archiverLink,
		courseStatisticLink, surveyStatisticLink, testStatisticLink,
		areaLink, dbLink,
		//settings
		lecturesAdminLink, reminderLink,
		assessmentModeLink, lifeCycleChangeLink,
		//my course
		efficiencyStatementsLink, noteLink, leaveLink,
		//course tools
		learninPathLink, calendarLink, chatLink, participantListLink, participantInfoLink, forumLink, emailLink,
		searchLink,
		//glossary
		openGlossaryLink, enableGlossaryLink, lecturesLink;
	private Link currentUserCountLink;
	private Dropdown myCourse, glossary;

	private CloseableModalController cmc;
	private COToolController emailCtrl;
	private FOToolController forumCtrl;
	private CourseAreasController areasCtrl;
	private ConfirmLeaveController leaveDialogBox;
	private ArchiverMainController archiverCtrl;
	private CustomDBMainController databasesCtrl;
	private FolderRunController courseFolderCtrl;
	private InfoRunController participatInfoCtrl;
	private SearchInputController searchController;
	private StatisticMainController statisticsCtrl;
	private CourseRemindersController remindersCtrl;
	private TeacherOverviewController lecturesCtrl;
	private AssessmentToolController assessmentToolCtr;
	private MembersToolRunController participatListCtrl;
	private MembersManagementMainController membersCtrl;
	private StatisticCourseNodesController statsToolCtr;
	private AssessmentModeListController assessmentModeCtrl;
	private LectureRepositoryAdminController lecturesAdminCtrl;
	private CloseableCalloutWindowController courseSearchCalloutCtr;
	protected RepositoryEntryLifeCycleChangeController lifeCycleChangeCtr;

	private Map<String, Boolean> courseRightsCache;

	@Autowired
	private CourseModule courseModule;
	@Autowired
	private LectureModule lectureModule;
	@Autowired
	private LectureService lectureService;
	@Autowired
	private ReminderModule reminderModule;
	@Autowired
	private CalendarModule calendarModule;
	@Autowired
	private CoordinatorManager coordinatorManager;
	@Autowired
	private BusinessGroupService businessGroupService;
	@Autowired
	private AssessmentModule assessmentModule;
	@Autowired
	private InstantMessagingModule imModule;
	@Autowired
	private CourseDBManager courseDBManager;
	@Autowired
	private SearchModule searchModule;
	
	public CourseRuntimeController(UserRequest ureq, WindowControl wControl,
			RepositoryEntry re, RepositoryEntrySecurity reSecurity, RuntimeControllerCreator runtimeControllerCreator,
			boolean offerBookmark, boolean showCourseConfigLink) {
		super(ureq, wControl, re, reSecurity, runtimeControllerCreator, offerBookmark, showCourseConfigLink);
		
		if(!corrupted) {
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			addLoggingResourceable(LoggingResourceable.wrap(course));

			coordinatorManager.getCoordinator().getEventBus().registerFor(this, getIdentity(), getOlatResourceable());
			// - group modification events
			coordinatorManager.getCoordinator().getEventBus().registerFor(this, getIdentity(), getRepositoryEntry());
			
			if (courseModule.displayParticipantsCount()) {
				coordinatorManager.getCoordinator().getEventBus().fireEventToListenersOf(new MultiUserEvent(JOINED), getOlatResourceable());
				updateCurrentUserCount();
			}
			
			if(enableGlossaryLink != null) {
				Preferences prefs = ureq.getUserSession().getGuiPreferences();
				String guiPrefsKey = CourseGlossaryFactory.createGuiPrefsKey(course);
				Boolean state = (Boolean) prefs.get(CourseGlossaryToolLinkController.class, guiPrefsKey);
				setGlossaryLinkTitle(ureq, state);
			}
		}
	}

	@Override
	protected boolean isCorrupted(RepositoryEntry entry) {
		try {
			CourseFactory.loadCourse(entry);
			return false;
		} catch (Exception e) {
			return true;
		}
	}

	@Override
	protected void loadRights(RepositoryEntrySecurity security) {
		super.loadRights(security);
		if(corrupted) return;
		
		ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
		CourseGroupManager cgm = course.getCourseEnvironment().getCourseGroupManager();
		// 3) all other rights are defined in the groupmanagement using the learning
		// group rights
		UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
		if(uce != null) {
			uce.setUserRoles(security.isEntryAdmin() || security.isPrincipal() || security.isMasterCoach(), security.isCoach(), security.isParticipant());
			if(security.isOnlyPrincipal() || security.isOnlyMasterCoach()) {
				uce.setCourseReadOnly(Boolean.TRUE);
			} else if(security.isReadOnly()) {
				if(overrideReadOnly) {
					uce.setCourseReadOnly(Boolean.FALSE);
				} else {
					uce.setCourseReadOnly(Boolean.TRUE);
				}
			} else {
				uce.setCourseReadOnly(Boolean.FALSE);
			}
		}
		
		courseRightsCache = new HashMap<>();
		if(!security.isEntryAdmin() && !isGuestOnly) {
			List<String> rights = cgm.getRights(getIdentity());
			courseRightsCache.put(CourseRights.RIGHT_GROUPMANAGEMENT, Boolean.valueOf(rights.contains(CourseRights.RIGHT_GROUPMANAGEMENT)));
			courseRightsCache.put(CourseRights.RIGHT_MEMBERMANAGEMENT, Boolean.valueOf(rights.contains(CourseRights.RIGHT_MEMBERMANAGEMENT)));
			courseRightsCache.put(CourseRights.RIGHT_COURSEEDITOR, Boolean.valueOf(rights.contains(CourseRights.RIGHT_COURSEEDITOR)));
			courseRightsCache.put(CourseRights.RIGHT_ARCHIVING, Boolean.valueOf(rights.contains(CourseRights.RIGHT_ARCHIVING)));
			courseRightsCache.put(CourseRights.RIGHT_ASSESSMENT, Boolean.valueOf(rights.contains(CourseRights.RIGHT_ASSESSMENT)));
			courseRightsCache.put(CourseRights.RIGHT_ASSESSMENT_MODE, Boolean.valueOf(rights.contains(CourseRights.RIGHT_ASSESSMENT_MODE)));
			courseRightsCache.put(CourseRights.RIGHT_GLOSSARY, Boolean.valueOf(rights.contains(CourseRights.RIGHT_GLOSSARY)));
			courseRightsCache.put(CourseRights.RIGHT_STATISTICS, Boolean.valueOf(rights.contains(CourseRights.RIGHT_STATISTICS)));
			courseRightsCache.put(CourseRights.RIGHT_DB, Boolean.valueOf(rights.contains(CourseRights.RIGHT_DB)));
		}
	}

	private boolean hasCourseRight(String right) {
		Boolean bool = courseRightsCache.get(right);
		return bool != null && bool.booleanValue();
	}
	
	private UserCourseEnvironmentImpl getUserCourseEnvironment() {
		RunMainController run = getRunMainController();
		UserCourseEnvironmentImpl uce = run == null ? null : run.getUce();
		if(uce != null && uce.isCourseReadOnly() && overrideReadOnly) {
			uce.setCourseReadOnly(Boolean.FALSE);
		}
		return uce;
	}
	
	/**
	 * Refresh the cached repository entry of the course
	 * @return
	 */
	@Override
	protected RepositoryEntry loadRepositoryEntry() {
		RepositoryEntry refreshedEntry = super.loadRepositoryEntry();
		ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
		course.getCourseEnvironment().updateCourseEntry(refreshedEntry);
		return refreshedEntry;
	}
	
	/**
	 * Refresh the cached repository entry of the course
	 * @return
	 */
	@Override
	protected RepositoryEntry refreshRepositoryEntry(RepositoryEntry refreshedEntry) {
		ICourse course = CourseFactory.loadCourse(refreshedEntry);
		course.getCourseEnvironment().updateCourseEntry(refreshedEntry);
		return super.refreshRepositoryEntry(refreshedEntry);
	}

	private RunMainController getRunMainController() {
		return getRuntimeController() instanceof RunMainController ?
			(RunMainController)getRuntimeController() : null;
	}
	
	private CourseNode getCurrentCourseNode() {
		RunMainController run = getRunMainController();
		return run == null ? null : run.getCurrentCourseNode();
	}
	
	private boolean isInEditor() {
		RunMainController run = getRunMainController();
		return run != null && run.isInEditor();
	}
	
	private void setIsInEditor(boolean editor) {
		RunMainController run = getRunMainController();
		if(run != null) run.setInEditor(editor);
	}
	
	private void reloadGroupMemberships(RepositoryEntrySecurity security) {
		RunMainController run = getRunMainController();
		if(run != null) {
			run.reloadGroupMemberships(security);
		}
	}
	
	private void toolControllerDone(UserRequest ureq) {
		RunMainController run = getRunMainController();
		if(run != null) {
			addCustomCSS(ureq);
			run.toolCtrDone(ureq, reSecurity);
			currentToolCtr = null;
		}
	}
	
	private void setTextMarkingEnabled(boolean enable) {
		RunMainController run = getRunMainController();
		if(run != null) run.setTextMarkingEnabled(enable);
	}
	
	public void setCourseCloseEnabled(boolean enabled) {
		toolbarPanel.setShowCloseLink(true, enabled);
	}

	public void setToolControllerEnabled(boolean enabled) {
		toolbarPanel.setToolbarEnabled(enabled);
	}
	
	private void addCustomCSS(UserRequest ureq) {
		ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
		CustomCSS customCSS = CourseFactory.getCustomCourseCss(ureq.getUserSession(), course.getCourseEnvironment());
		ChiefController cc = getWindowControl().getWindowBackOffice().getChiefController();
		if (cc != null) {
			if(customCSS == null) {
				cc.removeCurrentCustomCSSFromView();
			} else {
				cc.addCurrentCustomCSSToView(customCSS);
			}
		}
		setCustomCSS(customCSS);
	}
	
	private void removeCustomCSS() {
		ChiefController cc = getWindowControl().getWindowBackOffice().getChiefController();
		if (cc != null) {
			cc.removeCurrentCustomCSSFromView();
		}
		setCustomCSS(null);
		setCourseClosedMessage(getUserCourseEnvironment());
	}

	@Override
	protected void initToolbar(Dropdown toolsDropdown) {
		toolsDropdown.removeAllComponents();
		if(corrupted) return;
		
		ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
		UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
		
		if(!course.getCourseConfig().isToolbarEnabled() && !reSecurity.isEntryAdmin() && !reSecurity.isCoach()
				&& !hasCourseRight(CourseRights.RIGHT_COURSEEDITOR) && !hasCourseRight(CourseRights.RIGHT_MEMBERMANAGEMENT)
				&& !hasCourseRight(CourseRights.RIGHT_GROUPMANAGEMENT) && !hasCourseRight(CourseRights.RIGHT_ARCHIVING)
					&& !hasCourseRight(CourseRights.RIGHT_STATISTICS) && !hasCourseRight(CourseRights.RIGHT_DB)
					&& !hasCourseRight(CourseRights.RIGHT_ASSESSMENT) && !hasCourseRight(CourseRights.RIGHT_ASSESSMENT_MODE)) {
			toolbarPanel.setToolbarEnabled(false);
		} else {
			toolbarPanel.setToolbarEnabled(true);
		}
		// make bread crumb disappear if not enabled
		if (!course.getCourseConfig().isBreadCrumbEnabled() && !toolbarPanel.isToolbarEnabled()) {
			// disable if toolbar also not visible
			toolbarPanel.setBreadcrumbEnabled(false);
		}
		
		initToolsMenu(toolsDropdown);
		initToolsMyCourse(course, uce);
		initGeneralTools(course);
		
		RunMainController rmc = getRunMainController();
		if(rmc != null) {
			rmc.initToolbar();
		}
		setCourseClosedMessage(uce);
	}
	
	private void setCourseClosedMessage(UserCourseEnvironment uce) {
		if(uce != null &&  getRepositoryEntry().getEntryStatus() == RepositoryEntryStatusEnum.closed) {
			toolbarPanel.setMessage(translate("course.closed"));
			toolbarPanel.setMessageCssClass("o_warning");
		} else {
			toolbarPanel.setMessage(null);
			toolbarPanel.setMessageComponent(null);
		}
	}
	
	@Override
	protected void initToolsMenu(Dropdown toolsDropdown) {
		toolsDropdown.removeAllComponents();
		toolsDropdown.setDirty(true);
		
		if(!isAssessmentLock()) {
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
			
			initToolsMenuSettings(toolsDropdown);
			initToolsMenuEditor(toolsDropdown, uce);
			initToolsMenuRuntime(toolsDropdown, uce);
			initToolsMenuStatistics(toolsDropdown, course, uce);
			initToolsMenuEdition(toolsDropdown);
			initToolsMenuDelete(toolsDropdown);
		}
	}
	
	@Override
	protected void initToolsMenuSettings(Dropdown tools) {
		// 1) administrative tools
		if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach()
				|| hasCourseRight(CourseRights.RIGHT_COURSEEDITOR) || hasCourseRight(CourseRights.RIGHT_MEMBERMANAGEMENT)
				|| hasCourseRight(CourseRights.RIGHT_GROUPMANAGEMENT)) {

			tools.setI18nKey("header.tools");
			tools.setElementCssClass("o_sel_course_tools");
			
			if(reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
				settingsLink = LinkFactory.createToolLink("settings", translate("details.settings"), this, "o_sel_repo_settings");
				settingsLink.setIconLeftCSS("o_icon o_icon-fw o_icon_settings");
				settingsLink.setElementCssClass("o_sel_course_settings");
				tools.addComponent(settingsLink);
			}
			
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_GROUPMANAGEMENT) || hasCourseRight(CourseRights.RIGHT_MEMBERMANAGEMENT)) {
				membersLink = LinkFactory.createToolLink("unifiedusermngt", translate("command.opensimplegroupmngt"), this, "o_icon_membersmanagement");
				membersLink.setElementCssClass("o_sel_course_members");
				tools.addComponent(membersLink);
			}
			tools.addComponent(new Spacer("first"));
		}
	}
	
	private void initToolsMenuEditor(Dropdown tools, final UserCourseEnvironmentImpl uce) {
		if(uce == null) return;
		
		if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
			boolean managed = RepositoryEntryManagedFlag.isManaged(getRepositoryEntry(), RepositoryEntryManagedFlag.editcontent);
			boolean readOnly = uce.isCourseReadOnly();
			editLink = LinkFactory.createToolLink("edit.cmd", translate("command.openeditor"), this, "o_icon_courseeditor");
			editLink.setElementCssClass("o_sel_course_editor");
			editLink.setEnabled(!corrupted && !managed);
			editLink.setVisible(!readOnly);
			tools.addComponent(editLink);
		}
			
		if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
			folderLink = LinkFactory.createToolLink("cfd", translate("command.coursefolder"), this, "o_icon_coursefolder");
			folderLink.setElementCssClass("o_sel_course_folder");
			tools.addComponent(folderLink);
			tools.addComponent(new Spacer(""));
		}
	}
	
	private void initToolsMenuRuntime(Dropdown tools, final UserCourseEnvironmentImpl uce) {
		boolean courseAuthorRight = reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR);
		if (courseAuthorRight || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach()
				|| hasCourseRight(CourseRights.RIGHT_DB)
				|| hasCourseRight(CourseRights.RIGHT_ASSESSMENT) || hasCourseRight(CourseRights.RIGHT_ASSESSMENT_MODE)) {	

			tools.addComponent(new Spacer(""));
			
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach() || hasCourseRight(CourseRights.RIGHT_ASSESSMENT)) {
				assessmentLink = LinkFactory.createToolLink("assessment", translate("command.openassessment"), this, "o_icon_assessment_tool");
				assessmentLink.setElementCssClass("o_sel_course_assessment_tool");
				tools.addComponent(assessmentLink);
			}
			
			if(lectureModule.isEnabled() && (courseAuthorRight || reSecurity.isPrincipal() || reSecurity.isMasterCoach()) && isLectureEnabled()) {
				lecturesAdminLink = LinkFactory.createToolLink("lectures.admin.cmd", translate("command.options.lectures.admin"), this, "o_icon_lecture");
				lecturesAdminLink.setElementCssClass("o_sel_course_lectures_admin");
				lecturesAdminLink.setVisible(!uce.isCourseReadOnly());
				tools.addComponent(lecturesAdminLink);
			}
			
			if(reminderModule.isEnabled() && courseAuthorRight) {
				reminderLink = LinkFactory.createToolLink("reminders.cmd", translate("command.options.reminders"), this, "o_icon_reminder");
				reminderLink.setElementCssClass("o_sel_course_reminders");
				reminderLink.setVisible(!uce.isCourseReadOnly());
				tools.addComponent(reminderLink);
			}
			
			if (courseAuthorRight || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_ASSESSMENT_MODE)) {
				//course author right or the assessment mode access right 
				boolean managed = RepositoryEntryManagedFlag.isManaged(getRepositoryEntry(), RepositoryEntryManagedFlag.editcontent);
				assessmentModeLink = LinkFactory.createToolLink("assessment.mode.cmd", translate("command.assessment.mode"), this, "o_icon_assessment_mode");
				assessmentModeLink.setElementCssClass("o_sel_course_assessment_mode");
				assessmentModeLink.setEnabled(!managed);
				assessmentModeLink.setVisible(assessmentModule.isAssessmentModeEnabled() && !uce.isCourseReadOnly());
				tools.addComponent(assessmentModeLink);
			}

			if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
				areaLink = LinkFactory.createToolLink("careas", translate("command.courseareas"), this, "o_icon_courseareas");
				areaLink.setElementCssClass("o_sel_course_areas");
				tools.addComponent(areaLink);
			}
			
			if (courseDBManager.isEnabled() && (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_DB))) {
				dbLink = LinkFactory.createToolLink("customDb",translate("command.opendb"), this, "o_icon_coursedb");
				tools.addComponent(dbLink);
			}
		}
	}
	
	private boolean isLectureEnabled() {
		RepositoryEntryLectureConfiguration lectureConfig = lectureService.getRepositoryEntryLectureConfiguration(getRepositoryEntry());
		return lectureConfig != null && lectureConfig.isLectureEnabled();
	}
	
	private void initToolsMenuStatistics(Dropdown tools, ICourse course, final UserCourseEnvironmentImpl uce) {
		if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach()
				|| hasCourseRight(CourseRights.RIGHT_ARCHIVING) || hasCourseRight(CourseRights.RIGHT_STATISTICS)) {	

			tools.addComponent(new Spacer(""));
			
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_STATISTICS)) {
				courseStatisticLink = LinkFactory.createToolLink("statistic",translate("command.openstatistic"), this, "o_icon_statistics_tool");
				tools.addComponent(courseStatisticLink);
			}
			
			if (uce != null && (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach() || hasCourseRight(CourseRights.RIGHT_STATISTICS))) {
				final AtomicInteger testNodes = new AtomicInteger();
				final AtomicInteger surveyNodes = new AtomicInteger();
				new TreeVisitor(node -> {
					if(((CourseNode)node).isStatisticNodeResultAvailable(uce, StatisticType.TEST)) {
						testNodes.incrementAndGet();
					} else if(((CourseNode)node).isStatisticNodeResultAvailable(uce, StatisticType.SURVEY)) {
						surveyNodes.incrementAndGet();
					}
				}, course.getRunStructure().getRootNode(), true).visitAll();
				if(testNodes.intValue() > 0) {
					testStatisticLink = LinkFactory.createToolLink("qtistatistic", translate("command.openteststatistic"), this, "o_icon_statistics_tool");
					tools.addComponent(testStatisticLink);
				}
				
				if(surveyNodes.intValue() > 0) {
					surveyStatisticLink = LinkFactory.createToolLink("qtistatistic", translate("command.opensurveystatistic"), this, "o_icon_statistics_tool");
					tools.addComponent(surveyStatisticLink);
				}
			}

			if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_ARCHIVING)) {
				archiverLink = LinkFactory.createToolLink("archiver", translate("command.openarchiver"), this, "o_icon_archive_tool");
				tools.addComponent(archiverLink);
			}
			
			ordersLink = LinkFactory.createToolLink("bookings", translate("details.orders"), this, "o_sel_repo_booking");
			ordersLink.setIconLeftCSS("o_icon o_icon-fw o_icon_booking");
			ordersLink.setElementCssClass("o_sel_course_ac_tool");
			boolean booking = acService.isResourceAccessControled(getRepositoryEntry().getOlatResource(), null);
			ordersLink.setVisible(!corrupted && booking);
			tools.addComponent(ordersLink);
		}
	}

	@Override
	protected void initToolsMenuDelete(Dropdown settingsDropdown) {
		RepositoryEntry re = getRepositoryEntry();
		boolean closeManged = RepositoryEntryManagedFlag.isManaged(re, RepositoryEntryManagedFlag.close);
		
		if(reSecurity.isEntryAdmin()) {
			boolean deleteManaged = RepositoryEntryManagedFlag.isManaged(re, RepositoryEntryManagedFlag.delete);
			if(settingsDropdown.size() > 0 && !deleteManaged) {
				settingsDropdown.addComponent(new Spacer("close-delete"));
			}

			if(!closeManged || !deleteManaged) {
				// If a resource is closable (currently only course) and
				// deletable (currently all resources) we offer those two
				// actions in a separate page, unless both are managed
				// operations. In that case we don't show anything at all.				
				// If only one of the two actions are managed, we go to the
				// separate page as well and show only the relevant action
				// there.
				lifeCycleChangeLink = LinkFactory.createToolLink("lifeCycleChange", translate("details.lifecycle.change"), this, "o_icon o_icon-fw o_icon_lifecycle");
				settingsDropdown.addComponent(lifeCycleChangeLink);
			} else {				
				if(!deleteManaged) {
					String type = translate(handler.getSupportedType());
					String deleteTitle = translate("details.delete.alt", new String[]{ type });
					deleteLink = LinkFactory.createToolLink("delete", deleteTitle, this, "o_icon o_icon-fw o_icon_delete_item");
					deleteLink.setElementCssClass("o_sel_repo_close");
					settingsDropdown.addComponent(deleteLink);
				}
			}
		}
	}

	private void initToolsMyCourse(ICourse course, UserCourseEnvironmentImpl uce) {
		boolean assessmentLock = isAssessmentLock();

		myCourse = new Dropdown("myCourse", "header.tools.mycourse", false, getTranslator());
		myCourse.setElementCssClass("dropdown-menu-right");
		myCourse.setIconCSS("o_icon o_icon_user");

		// Personal tools on right side
		CourseConfig cc = course.getCourseConfig();
		if ((course.hasAssessableNodes() || cc.isCertificateEnabled()) && !isGuestOnly && !assessmentLock && uce != null) {
			// link to efficiency statements should
			// - not appear when not configured in course configuration
			// - not appear when configured in course configuration but no assessable
			// node exist
			// - appear but dimmed when configured, assessable node exist but no
			// assessment data exists for user
			// - appear as link when configured, assessable node exist and assessment
			// data exists for user
			efficiencyStatementsLink = LinkFactory.createToolLink("efficiencystatement",translate("command.efficiencystatement"), this, "o_icon_certificate");
			efficiencyStatementsLink.setVisible(cc.isEfficencyStatementEnabled() || cc.isCertificateEnabled());
			myCourse.addComponent(efficiencyStatementsLink);
			if(cc.isEfficencyStatementEnabled() || cc.isCertificateEnabled()) {
				boolean certification = uce.hasEfficiencyStatementOrCertificate(false);
				efficiencyStatementsLink.setVisible(certification);
			}
		}
		
		if (!isGuestOnly && !assessmentLock) {
			noteLink = LinkFactory.createToolLink("personalnote",translate("command.personalnote"), this, "o_icon_notes");
			noteLink.setPopup(new LinkPopupSettings(750, 550, "notes"));
			myCourse.addComponent(noteLink);
		}
		
		if (allowBookmark && !isGuestOnly) {
			boolean marked = markManager.isMarked(getRepositoryEntry(), getIdentity(), null);
			String css = marked ? Mark.MARK_CSS_ICON : Mark.MARK_ADD_CSS_ICON;
			bookmarkLink = LinkFactory.createToolLink("bookmark",translate("command.bookmark"), this, css);
			bookmarkLink.setTitle(translate(marked ? "details.bookmark.remove" : "details.bookmark"));
			myCourse.addComponent(bookmarkLink);
		}

		if(uce != null) {
			if(myCourse.size() > 0 && (!uce.getCoachedGroups().isEmpty() || !uce.getParticipatingGroups().isEmpty() || !uce.getWaitingLists().isEmpty())) {
				myCourse.addComponent(new Spacer(""));
			}
			
			// 2) add coached groups
			if (!uce.getCoachedGroups().isEmpty()) {
				for (BusinessGroup group:uce.getCoachedGroups()) {
					Link link = LinkFactory.createToolLink(CMD_START_GROUP_PREFIX + group.getKey(), "group", StringHelper.escapeHtml(group.getName()), this);
					link.setIconLeftCSS("o_icon o_icon-fw o_icon_group");
					link.setUserObject(group);
					link.setEnabled(!assessmentLock);
					myCourse.addComponent(link);
					
				}
			}
	
			// 3) add participating groups
			if (!uce.getParticipatingGroups().isEmpty()) {
				for (BusinessGroup group: uce.getParticipatingGroups()) {
					Link link = LinkFactory.createToolLink(CMD_START_GROUP_PREFIX + group.getKey(), "group", StringHelper.escapeHtml(group.getName()), this);
					link.setIconLeftCSS("o_icon o_icon-fw o_icon_group");
					link.setUserObject(group);
					link.setEnabled(!assessmentLock);
					myCourse.addComponent(link);
				}
			}
	
			// 5) add waiting-list groups
			if (!uce.getWaitingLists().isEmpty()) {
				for (BusinessGroup group:uce.getWaitingLists()) {
					int pos = businessGroupService.getPositionInWaitingListFor(getIdentity(), group);
					String name = StringHelper.escapeHtml(group.getName()) + " (" + pos + ")";
					Link link = LinkFactory.createToolLink(CMD_START_GROUP_PREFIX + group.getKey(), "group", name, this);
					link.setIconLeftCSS("o_icon o_icon-fw o_icon_group");
					link.setUserObject(group);
					link.setEnabled(false);
					myCourse.addComponent(link);
				}
			}
			
			if(repositoryService.isParticipantAllowedToLeave(getRepositoryEntry())
					&& !assessmentLock && !roles.isGuestOnly() && !uce.isCourseReadOnly()
					&& isAllowedToLeave(uce)) {
				leaveLink = LinkFactory.createToolLink("sign.out", "leave", translate("sign.out"), this);
				leaveLink.setIconLeftCSS("o_icon o_icon-fw o_icon_sign_out");
				myCourse.addComponent(new Spacer("leaving-space"));
				myCourse.addComponent(leaveLink);
			}
		}
		if(myCourse.size() > 0) {
			toolbarPanel.addTool(myCourse, Align.right);
		}
	}
	
	private boolean isAllowedToLeave(UserCourseEnvironmentImpl uce) {
		if(!uce.getParticipatingGroups().isEmpty()) {
			CourseNode rootNode = uce.getCourseEnvironment().getRunStructure().getRootNode();
			OLATResource courseResource = uce.getCourseEnvironment().getCourseGroupManager().getCourseResource();
			
			AtomicBoolean bool = new AtomicBoolean(false);
			new TreeVisitor(node -> {
				if(!bool.get() && node instanceof ENCourseNode) {
					try {
						ENCourseNode enNode = (ENCourseNode)node;
						boolean cancelEnrollEnabled = enNode.getModuleConfiguration().getBooleanSafe(ENCourseNode.CONF_CANCEL_ENROLL_ENABLED);
						if(!cancelEnrollEnabled && enNode.isUsedForEnrollment(uce.getParticipatingGroups(), courseResource)) {
							bool.set(true);
						}
					} catch (Exception e) {
						logError("", e);
					}
				}
			}, rootNode, true).visitAll();

			if(bool.get()) {
				return false;// is in a enrollment group
			}
		}
		return (uce.isParticipant() || !uce.getParticipatingGroups().isEmpty());
	}
	
	private void initGeneralTools(ICourse course) {
		boolean assessmentLock = isAssessmentLock();
		UserCourseEnvironment userCourseEnv = getUserCourseEnvironment();

		CourseConfig cc = course.getCourseConfig();
		if (!assessmentLock && showDetails) {
			detailsLink = LinkFactory.createToolLink("courseconfig",translate("command.courseconfig"), this, "o_icon_details");
			toolbarPanel.addTool(detailsLink);
		}
		
		if(!assessmentLock && !isGuestOnly && LearningPathNodeAccessProvider.TYPE.equals(cc.getNodeAccessType().getType())) {
			learninPathLink = LinkFactory.createToolLink("learningPath", translate("command.learning.path"), this, "o_icon_learning_path");
			toolbarPanel.addTool(learninPathLink);
		}
		
		boolean calendarIsEnabled =  !assessmentLock && !isGuestOnly && calendarModule.isEnabled()
				&& calendarModule.isEnableCourseToolCalendar() && reSecurity.canLaunch();
		if (calendarIsEnabled && userCourseEnv != null) {
			calendarLink = LinkFactory.createToolLink("calendar",translate("command.calendar"), this, "o_icon_calendar");
			calendarLink.setPopup(new LinkPopupSettings(950, 750, "cal"));
			calendarLink.setVisible(cc.isCalendarEnabled());
			toolbarPanel.addTool(calendarLink);
		}
		
		if(!assessmentLock && isLecturesLinkEnabled()) {
			lecturesLink = LinkFactory.createToolLink("command.lectures", translate("command.lectures"), this, "o_icon_lecture");
			toolbarPanel.addTool(lecturesLink);
		}
		
		if(!assessmentLock && !isGuestOnly) {
			participantListLink = LinkFactory.createToolLink("participantlist", translate("command.participant.list"), this, "o_cmembers_icon");
			participantListLink.setVisible(cc.isParticipantListEnabled());
			toolbarPanel.addTool(participantListLink);
		}
		
		if(!assessmentLock) {
			participantInfoLink = LinkFactory.createToolLink("participantinfo", translate("command.participant.info"), this, "o_infomsg_icon");
			participantInfoLink.setVisible(cc.isParticipantInfoEnabled());
			toolbarPanel.addTool(participantInfoLink);
		}
		
		if(!assessmentLock && !isGuestOnly && userCourseEnv != null && !userCourseEnv.isCourseReadOnly()) {
			emailLink = LinkFactory.createToolLink("email", translate("command.email"), this, "o_co_icon");
			emailLink.setVisible(cc.isEmailEnabled());
			toolbarPanel.addTool(emailLink);
		}
		
		if(!assessmentLock) {
			forumLink = LinkFactory.createToolLink("forum", translate("command.forum"), this, "o_fo_icon");
			forumLink.setVisible(cc.isForumEnabled());
			toolbarPanel.addTool(forumLink);
		}
		
		if(!assessmentLock) {
			glossary = new Dropdown("glossary", "command.glossary", false, getTranslator());
			glossary.setIconCSS("o_icon o_FileResource-GLOSSARY_icon");
			glossary.setVisible(cc.hasGlossary() && cc.isGlossaryEnabled());
	
			openGlossaryLink = LinkFactory.createToolLink("command.glossary.open", translate("command.glossary.open"), this);
			openGlossaryLink.setPopup(new LinkPopupSettings(950, 750, "gloss"));
			glossary.addComponent(openGlossaryLink);
	
			enableGlossaryLink = LinkFactory.createToolLink("command.glossary.on.off", translate("command.glossary.on.alt"), this);
			glossary.addComponent(enableGlossaryLink);
			toolbarPanel.addTool(glossary);
		}
		
		//add group chat to toolbox
		boolean chatIsEnabled = !assessmentLock && !isGuestOnly && imModule.isEnabled()
				&& imModule.isCourseEnabled() && reSecurity.canLaunch();
		if(chatIsEnabled && userCourseEnv != null && !userCourseEnv.isCourseReadOnly()) {
			chatLink = LinkFactory.createToolLink("chat",translate("command.coursechat"), this, "o_icon_chat");
			chatLink.setVisible(imModule.isCourseEnabled() && cc.isChatEnabled());
			toolbarPanel.addTool(chatLink);
		}
		
		// add course search to toolbox 
		boolean isSearchEnabled = !assessmentLock && searchModule.isSearchAllowed(roles);
		if (isSearchEnabled) {
			searchLink = LinkFactory.createToolLink("coursesearch", translate("command.coursesearch"), this, "o_icon_search");
			searchLink.setVisible(cc.isCourseSearchEnabled());
			toolbarPanel.addTool(searchLink);
		}
	}

	//check the configuration enable the lectures and the user is a teacher 
	private boolean isLecturesLinkEnabled() {
		if(lectureModule.isEnabled()) {
			if(reSecurity.isEntryAdmin()) {
				return lectureService.isRepositoryEntryLectureEnabled(getRepositoryEntry());
			} else {
				//check the configuration enable the lectures and the user is a teacher 
				return lectureService.hasLecturesAsTeacher(getRepositoryEntry(), getIdentity());
			}
		}
		return false;
	}

	@Override
	public void setActiveTool(Link tool) {
		if(myCourse != null) {
			myCourse.setActiveLink(tool);
		}
		super.setActiveTool(tool);
	}

	@Override
	protected void doDispose() {
		super.doDispose();
		
		if (courseModule.displayParticipantsCount()) {
			coordinatorManager.getCoordinator().getEventBus().fireEventToListenersOf(new MultiUserEvent(LEFT), getOlatResourceable());
		}
	}

	@Override
	public boolean requestForClose(UserRequest ureq) {
		if(editorCtrl instanceof VetoableCloseController) {
			return ((VetoableCloseController) editorCtrl).requestForClose(ureq);
		}
		return true;
	}

	@Override
	public void event(Event event) {
		if(event instanceof CourseConfigEvent) {				
			processCourseConfigEvent((CourseConfigEvent)event);
		} else if (event instanceof AssessmentChangedEvent) {
			String assessmentChangeType = event.getCommand();
			AssessmentChangedEvent ace = (AssessmentChangedEvent) event;
			if(!isGuestOnly && efficiencyStatementsLink != null && ace.getIdentityKey().equals(getIdentity().getKey())
					&& assessmentChangeType.equals(AssessmentChangedEvent.TYPE_EFFICIENCY_STATEMENT_CHANGED)) {
				// update tools, maybe efficiency statement link has changed
				UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
				boolean certification = uce.hasEfficiencyStatementOrCertificate(true);
				efficiencyStatementsLink.setEnabled(certification);
			}
		} else if (event instanceof EntryChangedEvent ) {
			EntryChangedEvent repoEvent = (EntryChangedEvent) event;
			if (repoEvent.isMe(getRepositoryEntry())) {
				processEntryChangedEvent(repoEvent);
			}
		//All events are MultiUserEvent, check with command at the end
		} else if (event instanceof MultiUserEvent) {
			if (event.getCommand().equals(JOINED) || event.getCommand().equals(LEFT)) {
				updateCurrentUserCount();
			}
		}
		super.event(event);
	}

	@Override
	protected void event(UserRequest ureq, Component source, Event event) {
		if(assessmentModeLink == source) {
			doAssessmentMode(ureq);
		} else if (lifeCycleChangeLink == source) {
			doLifeCycleChange(ureq);
		} else if(reminderLink == source) {
			doReminders(ureq);
		} else if(lecturesAdminLink == source) {
			doLecturesAdmin(ureq);
		} else if(lecturesLink == source) {
			doLectures(ureq);
		} else if(archiverLink == source) {
			doArchive(ureq);
		} else if(folderLink == source) {
			doCourseFolder(ureq);
		} else if(areaLink == source) {
			doCourseAreas(ureq);
		} else if(dbLink == source) {
			doDatabases(ureq);
		} else if(courseStatisticLink == source) {
			doCourseStatistics(ureq);
		} else if(testStatisticLink == source) {
			doAssessmentTestStatistics(ureq);
		} else if(surveyStatisticLink == source) {
			doAssessmentSurveyStatistics(ureq);
		} else if(assessmentLink == source) {
			doAssessmentTool(ureq);
		} else if(participantListLink == source) {
			doParticipantList(ureq);
		} else if(participantInfoLink == source) {
			doParticipantInfo(ureq);
		} else if(emailLink == source) {
			doEmail(ureq);
		} else if(forumLink == source) {
			doForum(ureq);
		} else if(learninPathLink == source) {
			doLearningPath(ureq);
		} else if(calendarLink == source) {
			launchCalendar(ureq);
		} else if(chatLink == source) {
			launchChat(ureq);
		} else if(searchLink == source) {
			launchCourseSearch(ureq);
		} else if(efficiencyStatementsLink == source) {
			doEfficiencyStatements(ureq);
		} else if(noteLink == source) {
			launchPersonalNotes(ureq);
		} else if(openGlossaryLink == source) {
			launchGlossary(ureq);
		} else if(leaveLink == source) {
			doConfirmLeave(ureq);
		} else if(source instanceof Link && "group".equals(((Link)source).getCommand())) {
			BusinessGroupRef ref = (BusinessGroupRef)((Link)source).getUserObject();
			launchGroup(ureq, ref.getKey());
		} else if(source == toolbarPanel) {
			if(event instanceof VetoPopEvent) {
				delayedClose = Delayed.pop;
			} else if(event instanceof PopEvent) {
				processPopEvent(ureq, (PopEvent)event);
			}
		} else if(enableGlossaryLink == source) {
			toggleGlossary(ureq);
		}
		
		// Update window title
		if (source instanceof Link) {
			Link link = (Link) source;
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			String newTitle = course.getCourseTitle() + " - " + link.getI18n();
			getWindowControl().getWindowBackOffice().getWindow().setTitle(getTranslator(), newTitle);						
		}
		
		super.event(ureq, source, event);
	}
	
	@Override
	protected void processPopEvent(UserRequest ureq, PopEvent pop) {
		super.processPopEvent(ureq, pop);
		
		if(pop.getController() == assessmentToolCtr) {
			setCourseClosedMessage(getUserCourseEnvironment());
		}
		if(pop.getController() != getRunMainController()) {
			toolControllerDone(ureq);
		}
	}

	@Override
	protected void event(UserRequest ureq, Controller source, Event event) {
		if(getRunMainController() == source) {
			if(event instanceof BusinessGroupModifiedEvent) {
				processBusinessGroupModifiedEvent((BusinessGroupModifiedEvent)event);
			}
		} else if (lifeCycleChangeCtr == source) {
			if (event == RepositoryEntryLifeCycleChangeController.deletedEvent) {
				doClose(ureq);
				cleanUp();	
			}
		} else if (currentToolCtr == source) {
			if (event == Event.DONE_EVENT) {
				// special check for editor
				toolControllerDone(ureq);
			}
		}  else if(source == leaveDialogBox) {
			if (event.equals(Event.DONE_EVENT)) {
				doLeave(ureq);
			}else{
				cmc.deactivate();
			}
		} else if (source == searchController) {
			if (QuickSearchEvent.QUICKSEARCH.equals(event.getCommand())) {
				doDeactivateQuickSearch();
			}
		}
		
		if(editorCtrl == source && source instanceof VetoableCloseController) {
			if(event == Event.DONE_EVENT) {
				if(delayedClose != null) {
					switch(delayedClose) {
						case archive: doArchive(ureq); break;
						case assessmentMode: doAssessmentMode(ureq); break;
						case assessmentSurveyStatistics: doAssessmentSurveyStatistics(ureq); break;
						case assessmentTestStatistics: doAssessmentTestStatistics(ureq); break;
						case assessmentTool: doAssessmentTool(ureq); break;
						case reminders: doReminders(ureq); break;
						case learningPath: doLearningPath(ureq); break;
						case lecturesAdmin: doLecturesAdmin(ureq); break;
						case lectures: doLectures(ureq); break;
						case courseAreas: doCourseAreas(ureq); break;
						case courseFolder: doCourseFolder(ureq); break;
						case courseStatistics: doCourseStatistics(ureq); break;
						case databases: doDatabases(ureq); break;
						case details: doDetails(ureq); break;
						case settings: doSettings(ureq, null); break;
						case efficiencyStatements: doEfficiencyStatements(ureq); break;
						case members: doMembers(ureq); break;
						case orders: doOrders(ureq); break;
						case close: doClose(ureq); break;
						case pop: popToRoot(ureq); cleanUp(); break;
						case participantList: doParticipantList(ureq); break;
						case participantInfo: doParticipantInfo(ureq); break;
						case email: doEmail(ureq); break;
						case forum: doForum(ureq); break;
					}
					delayedClose = null;
				} else {
					fireEvent(ureq, Event.DONE_EVENT);
				}
			}
		} 
		
		super.event(ureq, source, event);
	}
	
	@Override
	protected void cleanUp() {
		removeAsListenerAndDispose(lifeCycleChangeCtr);
		removeAsListenerAndDispose(assessmentToolCtr);
		removeAsListenerAndDispose(courseFolderCtrl);
		removeAsListenerAndDispose(statisticsCtrl);
		removeAsListenerAndDispose(databasesCtrl);
		removeAsListenerAndDispose(archiverCtrl);
		removeAsListenerAndDispose(statsToolCtr);
		removeAsListenerAndDispose(membersCtrl);
		removeAsListenerAndDispose(areasCtrl);
		removeAsListenerAndDispose(leaveDialogBox);
		lifeCycleChangeCtr = null;
		assessmentToolCtr = null;
		courseFolderCtrl = null;
		statisticsCtrl = null;
		databasesCtrl = null;
		archiverCtrl = null;
		statsToolCtr = null;
		membersCtrl = null;
		areasCtrl = null;

		super.cleanUp();
	}

	@Override
	public void activate(UserRequest ureq, List<ContextEntry> entries, StateEntry state) {
		if(entries == null || entries.isEmpty()) {
			if(currentToolCtr != null) {
				addToHistory(ureq, currentToolCtr);
			} else {
				Controller runtimeCtrl = getRuntimeController();
				if(runtimeCtrl instanceof Activateable2) {
					((Activateable2)runtimeCtrl).activate(ureq, entries, state);
				} else {
					addToHistory(ureq, runtimeCtrl);
				}
			}
			return;
		}

		entries = removeRepositoryEntry(entries);
		if(entries != null && !entries.isEmpty()) {
			String type = entries.get(0).getOLATResourceable().getResourceableTypeName();
			if("Payment".equalsIgnoreCase(type)) {
				doPostSuccessfullAccess(ureq);
			} else if("Editor".equalsIgnoreCase(type)) {
				if (!isInEditor() && !RepositoryEntryManagedFlag.isManaged(getRepositoryEntry(), RepositoryEntryManagedFlag.editcontent)) {
					doEdit(ureq);
				}
			} else if("Infos".equalsIgnoreCase(type)) {
				doDetails(ureq);
			} else if("LearningPath".equalsIgnoreCase(type)) {
				if (learninPathLink != null && learninPathLink.isVisible()) {
					doLearningPath(ureq);
				}
			} else if("Settings".equalsIgnoreCase(type) || "EditDescription".equalsIgnoreCase(type)) {
				List<ContextEntry> subEntries = entries.subList(1, entries.size());
				doSettings(ureq, subEntries);
			} else if("ParticipantList".equalsIgnoreCase(type)) {
				if (participantListLink != null && participantListLink.isVisible()) {
					doParticipantList(ureq);
				}
			} else if("ParticipantInfos".equalsIgnoreCase(type)) {
				if (participantInfoLink != null && participantInfoLink.isVisible()) {
					doParticipantInfo(ureq);
				}
			} else if("Email".equalsIgnoreCase(type)) {
				if (emailLink != null && emailLink.isVisible()) {
					doEmail(ureq);
				}
			} else if("Forum".equalsIgnoreCase(type)) {
				if (forumLink != null && forumLink.isVisible()) {
					doForum(ureq);
				}
			} else if("Certification".equalsIgnoreCase(type)) {
				doEfficiencyStatements(ureq);
			} else if("Reminders".equalsIgnoreCase(type) || "RemindersLogs".equalsIgnoreCase(type)) {
				doReminders(ureq);
			} else if("Lectures".equalsIgnoreCase(type)) {
				Activateable2 lectures = doLectures(ureq);
				if(lectures != null) {
					List<ContextEntry> subEntries = entries.subList(1, entries.size());
					lectures.activate(ureq, subEntries, entries.get(0).getTransientState());
				}
			} else if("LectureBlock".equalsIgnoreCase(type)) {
				Activateable2 lectures = doLectures(ureq);
				if(lectures != null) {
					lectures.activate(ureq, entries, state);
				}
			} else if("LecturesAdmin".equalsIgnoreCase(type)) {
				Activateable2 lecturesAdmin = doLecturesAdmin(ureq);
				if(lecturesAdmin != null) {
					List<ContextEntry> subEntries = entries.subList(1, entries.size());
					lecturesAdmin.activate(ureq, subEntries, entries.get(0).getTransientState());
				}
			} else if("MembersMgmt".equalsIgnoreCase(type)) {
				Activateable2 members = doMembers(ureq);
				if(members != null) {
					try {
						List<ContextEntry> subEntries = entries.subList(1, entries.size());
						members.activate(ureq, subEntries, entries.get(0).getTransientState());
					} catch (OLATSecurityException e) {
						//the wrong link to the wrong person
					}
				}	
			} else if ("assessmentTool".equalsIgnoreCase(type) || "assessmentToolv2".equalsIgnoreCase(type)) {
				//check the security before, the link is perhaps in the wrong hands
				if(reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach() || hasCourseRight(CourseRights.RIGHT_ASSESSMENT)) {
					try {
						Activateable2 assessmentCtrl = doAssessmentTool(ureq);
						if(assessmentCtrl != null) {
							List<ContextEntry> subEntries;
							if(entries.size() > 1 && entries.get(1).getOLATResourceable().getResourceableTypeName().equals(type)) {
								subEntries = entries.subList(2, entries.size());
							} else {
								subEntries = entries.subList(1, entries.size());
							}
							assessmentCtrl.activate(ureq, subEntries, entries.get(0).getTransientState());
						}
					} catch (OLATSecurityException e) {
						//the wrong link to the wrong person
					}
				}
			} else if ("TestStatistics".equalsIgnoreCase(type) || "SurveyStatistics".equalsIgnoreCase(type)) {
				//check the security before, the link is perhaps in the wrong hands
				if(reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach() || hasCourseRight(CourseRights.RIGHT_ASSESSMENT)) {
					try {
						Activateable2 assessmentCtrl = null;
						if("TestStatistics".equalsIgnoreCase(type)) {
							assessmentCtrl = doAssessmentTestStatistics(ureq);
						} else {
							assessmentCtrl = doAssessmentSurveyStatistics(ureq);
						}
						
						List<ContextEntry> subEntries;
						if(entries.size() > 1 && entries.get(1).getOLATResourceable().getResourceableTypeName().equals(type)) {
							subEntries = entries.subList(2, entries.size());
						} else {
							subEntries = entries.subList(1, entries.size());
						}
						assessmentCtrl.activate(ureq, subEntries, entries.get(0).getTransientState());
					} catch (OLATSecurityException e) {
						//the wrong link to the wrong person
					}
				}
			} else if(type != null && type.startsWith("path=")) {
				if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
					String path = BusinessControlFactory.getInstance().getPath(entries.get(0));
					FolderRunController folderCtrl = doCourseFolder(ureq);
					if(folderCtrl != null) {
						folderCtrl.activatePath(ureq, path);
					}
				}
			}
		}

		RunMainController rmc = getRunMainController();
		if(rmc != null) {
			rmc.activate(ureq, entries, state);
		}
	}

	@Override
	protected void doEdit(UserRequest ureq) {
		if ((reSecurity.isEntryAdmin()
				|| hasCourseRight(CourseRights.RIGHT_COURSEEDITOR))) {
			removeCustomCSS();
			popToRoot(ureq);
			cleanUp();

			CourseNode currentCourseNode = getCurrentCourseNode();
			WindowControl bwControl = getSubWindowControl("Editor");
			EditorMainController ctrl = CourseFactory.createEditorController(ureq, addToHistory(ureq, bwControl),
					toolbarPanel, getRepositoryEntry(), currentCourseNode);
			//user activity logger which was initialized with course run
			if(ctrl != null){
				editorCtrl = pushController(ureq, "Editor", ctrl);
				listenTo(editorCtrl);
				setIsInEditor(true);
				currentToolCtr = editorCtrl;
				setActiveTool(editLink);
			}
		}
	}
	
	@Override
	protected Activateable2 doSettings(UserRequest ureq, List<ContextEntry> entries) {
		if(delayedClose == Delayed.settings || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
				removeCustomCSS();
				
				WindowControl bwControl = getSubWindowControl("Settings");
				RepositoryEntry refreshedEntry = loadRepositoryEntry();
				CourseSettingsController ctrl
					= new CourseSettingsController(ureq, addToHistory(ureq, bwControl), toolbarPanel, refreshedEntry);
				listenTo(ctrl);
				settingsCtrl = pushController(ureq, translate("details.settings"), ctrl);
				currentToolCtr = settingsCtrl;
				setActiveTool(settingsLink);
				settingsCtrl.activate(ureq, entries, null);
				return settingsCtrl;
			}
		} else {
			delayedClose = Delayed.settings;
		}
		return null;
	}

	@Override
	protected Activateable2 doMembers(UserRequest ureq) {
		if(delayedClose == Delayed.members || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_GROUPMANAGEMENT) || hasCourseRight(CourseRights.RIGHT_MEMBERMANAGEMENT)) {
				removeCustomCSS();
				if(currentToolCtr instanceof MembersManagementMainController) {
					((MembersManagementMainController)currentToolCtr).activate(ureq, null, null);
				} else {
					WindowControl bwControl = getSubWindowControl("MembersMgmt");
					MembersManagementMainController ctrl = new MembersManagementMainController(ureq, addToHistory(ureq, bwControl), toolbarPanel,
							getRepositoryEntry(), getUserCourseEnvironment(), reSecurity.isEntryAdmin(), reSecurity.isPrincipal() || reSecurity.isMasterCoach(),
							hasCourseRight(CourseRights.RIGHT_GROUPMANAGEMENT), hasCourseRight(CourseRights.RIGHT_MEMBERMANAGEMENT));
					listenTo(ctrl);
					membersCtrl = pushController(ureq, translate("command.opensimplegroupmngt"), ctrl);
					setActiveTool(membersLink);
					currentToolCtr = membersCtrl;
				}
			}
		} else {
			delayedClose = Delayed.members;
		}
		return membersCtrl;
	}
	
	private void doConfirmLeave(UserRequest ureq) {
		String title = translate("sign.out");

		leaveDialogBox = new ConfirmLeaveController(ureq, getWindowControl(), getRepositoryEntry());
		listenTo(leaveDialogBox);
		cmc = new CloseableModalController(getWindowControl(), "close", leaveDialogBox.getInitialComponent(), true, title);
		listenTo(cmc);
		cmc.activate();
	}
	
	private void doLeave(UserRequest ureq) {
		if(roles.isGuestOnly()) return;
		
		MailerResult result = new MailerResult();
		MailPackage reMailing = new MailPackage(result, getWindowControl().getBusinessControl().getAsString(), true);
		//leave course
		LeavingStatusList status = new LeavingStatusList();
		repositoryManager.leave(getIdentity(), getRepositoryEntry(), status, reMailing);
		//leave groups
		businessGroupService.leave(getIdentity(), getRepositoryEntry(), status, reMailing);
		
		if(status.isWarningManagedGroup() || status.isWarningManagedCourse()) {
			showWarning("sign.out.warning.managed");
		} else if(status.isWarningGroupWithMultipleResources()) {
			showWarning("sign.out.warning.mutiple.resources");
		} else {
			showInfo("sign.out.success", new String[]{ getRepositoryEntry().getDisplayname() });
		}

		doClose(ureq);
	}
	
	private void doDeactivateQuickSearch() {
		courseSearchCalloutCtr.deactivate();
	}
	
	private void doLifeCycleChange(UserRequest ureq) {
		List<Link> breadCrumbs = toolbarPanel.getBreadCrumbs();
		BreadCrumb lastCrumb = null;
		if (!breadCrumbs.isEmpty()) {
			lastCrumb = (BreadCrumb) breadCrumbs.get(breadCrumbs.size()-1).getUserObject();
		}
		if (lastCrumb == null || lastCrumb.getController() != lifeCycleChangeCtr) {
			// only create and add to stack if not already there
			lifeCycleChangeCtr = new RepositoryEntryLifeCycleChangeController(ureq, getWindowControl(),
					getRepositoryEntry(), reSecurity, handler);
			listenTo(lifeCycleChangeCtr);
			currentToolCtr = lifeCycleChangeCtr;
			toolbarPanel.pushController(translate("details.lifecycle.change"), lifeCycleChangeCtr);
		}
	}
	
	private void doAssessmentMode(UserRequest ureq) {
		if(delayedClose == Delayed.assessmentMode || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach()
					|| hasCourseRight(CourseRights.RIGHT_COURSEEDITOR) || hasCourseRight(CourseRights.RIGHT_ASSESSMENT_MODE)) {
				removeCustomCSS();
				
				boolean canManage = reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR) || hasCourseRight(CourseRights.RIGHT_ASSESSMENT_MODE);
				AssessmentModeSecurityCallback secCallback = AssessmentModeSecurityCallbackFactory.getSecurityCallback(canManage);
				AssessmentModeListController ctrl = new AssessmentModeListController(ureq, getWindowControl(),
						toolbarPanel, getRepositoryEntry(), secCallback);
				assessmentModeCtrl = pushController(ureq, translate("command.assessment.mode"), ctrl);
				setActiveTool(assessmentModeLink);
				currentToolCtr = assessmentModeCtrl;
			}
		} else {
			delayedClose = Delayed.assessmentMode;
		}
	}
	
	private void doReminders(UserRequest ureq) {
		if(delayedClose == Delayed.reminders || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
				removeCustomCSS();

				CourseRemindersController ctrl = new CourseRemindersController(ureq, getWindowControl(), getRepositoryEntry(), toolbarPanel);
				remindersCtrl = pushController(ureq, translate("command.reminders"), ctrl);
				setActiveTool(reminderLink);
				currentToolCtr = remindersCtrl;
			}
		} else {
			delayedClose = Delayed.reminders;
		}
	}
	
	private LectureRepositoryAdminController doLecturesAdmin(UserRequest ureq) {
		if(delayedClose == Delayed.lecturesAdmin || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR)) {
				removeCustomCSS();

				OLATResourceable ores = OresHelper.createOLATResourceableType("LecturesAdmin");
				WindowControl swControl = addToHistory(ureq, ores, null);
				LecturesSecurityCallback secCallback = LecturesSecurityCallbackFactory
						.getSecurityCallback(reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_COURSEEDITOR), reSecurity.isMasterCoach(), false);
				LectureRepositoryAdminController ctrl = new LectureRepositoryAdminController(ureq, swControl, toolbarPanel, getRepositoryEntry(), secCallback);
				listenTo(ctrl);
				lecturesAdminCtrl = pushController(ureq, translate("command.options.lectures.admin"), ctrl);
				setActiveTool(lecturesAdminLink);
				currentToolCtr = lecturesAdminCtrl;
				return lecturesAdminCtrl;
			} else {
				return null;
			}
		} else {
			delayedClose = Delayed.lecturesAdmin;
			return null;
		}
	}
	
	private TeacherOverviewController doLectures(UserRequest ureq) {
		if(delayedClose == Delayed.lectures || requestForClose(ureq)) {
			removeCustomCSS();
			
			OLATResourceable ores = OresHelper.createOLATResourceableType("lectures");
			WindowControl swControl = addToHistory(ureq, ores, null);
			TeacherOverviewController ctrl = new TeacherOverviewController(ureq, swControl, toolbarPanel, getRepositoryEntry(),
					reSecurity.isEntryAdmin(), lectureModule.isShowLectureBlocksAllTeachersDefault());
			lecturesCtrl = pushController(ureq, translate("command.lectures"), ctrl);

			setActiveTool(lecturesLink);
			currentToolCtr = lecturesCtrl;
			return lecturesCtrl;
		} else {
			delayedClose = Delayed.lectures;
			return null;
		}
	}
	
	private void doArchive(UserRequest ureq) {
		if(delayedClose == Delayed.archive || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_ARCHIVING)) {
				removeCustomCSS();
				ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
				ArchiverMainController ctrl = new ArchiverMainController(ureq, getWindowControl(), course, new FullAccessArchiverCallback());
				listenTo(ctrl);
				archiverCtrl = pushController(ureq, translate("command.openarchiver"), ctrl);
				currentToolCtr = archiverCtrl;
				setActiveTool(archiverLink);
			}
		} else {
			delayedClose = Delayed.archive;
		}
	}
	
	private FolderRunController doCourseFolder(UserRequest ureq) {
		if(delayedClose == Delayed.courseFolder || requestForClose(ureq)) {
			removeCustomCSS();
			// Folder for course with custom link model to jump to course nodes
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			VFSContainer courseContainer;
			if(overrideReadOnly) {
				courseContainer = course.getCourseFolderContainer(overrideReadOnly);
			} else {
				courseContainer = course.getCourseFolderContainer();
			}
			VFSContainer namedCourseFolder = new NamedContainerImpl(translate("command.coursefolder"), courseContainer);
			CustomLinkTreeModel customLinkTreeModel = new CourseInternalLinkTreeModel(course.getEditorTreeModel());

			FolderRunController ctrl = new FolderRunController(namedCourseFolder, true, true, true, true, ureq, getWindowControl(), null, customLinkTreeModel, null);
			ctrl.addLoggingResourceable(LoggingResourceable.wrap(course));
			courseFolderCtrl = pushController(ureq, translate("command.coursefolder"), ctrl);
			setActiveTool(folderLink);
			currentToolCtr = courseFolderCtrl;
		} else {
			delayedClose = Delayed.courseFolder;
		}
		return courseFolderCtrl;
	}
	
	private void doCourseAreas(UserRequest ureq) {
		if(delayedClose == Delayed.courseAreas || requestForClose(ureq)) {
			removeCustomCSS();
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			CourseAreasController ctrl = new CourseAreasController(ureq, getWindowControl(),
					getRepositoryEntry().getOlatResource(), getUserCourseEnvironment().isCourseReadOnly());
			ctrl.addLoggingResourceable(LoggingResourceable.wrap(course));
			areasCtrl = pushController(ureq, translate("command.courseareas"), ctrl);
			setActiveTool(areaLink);
			currentToolCtr = areasCtrl;
		} else {
			delayedClose = Delayed.courseAreas;
		}
	}
	
	private void doDatabases(UserRequest ureq) {
		if(delayedClose == Delayed.databases || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_DB)) {
				removeCustomCSS();
				ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
				CustomDBMainController ctrl = new CustomDBMainController(ureq, getWindowControl(), course,
						getUserCourseEnvironment().isCourseReadOnly());
				listenTo(ctrl);
				databasesCtrl = pushController(ureq, translate("command.opendb"), ctrl);
				setActiveTool(dbLink);
				currentToolCtr = databasesCtrl;
			}
		} else {
			delayedClose = Delayed.databases;
		}
	}
	
	private void doCourseStatistics(UserRequest ureq) {
		if(delayedClose == Delayed.courseStatistics || requestForClose(ureq)) {
			if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach()
					|| hasCourseRight(CourseRights.RIGHT_STATISTICS)) {
				removeCustomCSS();
				ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
				StatisticMainController ctrl = new StatisticMainController(ureq, getWindowControl(), course);
				listenTo(ctrl);
				statisticsCtrl = pushController(ureq, translate("command.openstatistic"), ctrl);
				setActiveTool(courseStatisticLink);
				currentToolCtr = statisticsCtrl;
			}
		} else {
			delayedClose = Delayed.courseStatistics;
		}
	}
	
	private Activateable2 doAssessmentTestStatistics(UserRequest ureq) {
		Activateable2 controller = null;
		if(delayedClose == Delayed.assessmentTestStatistics || requestForClose(ureq)) {
			controller = doAssessmentStatistics(ureq, "command.openteststatistic", "TestStatistics", testStatisticLink, StatisticType.TEST);
		} else {
			delayedClose = Delayed.assessmentTestStatistics;
		}
		return controller;
	}
	
	private Activateable2 doAssessmentSurveyStatistics(UserRequest ureq) {
		Activateable2 controller = null;
		if(delayedClose == Delayed.assessmentSurveyStatistics || requestForClose(ureq)) {
			controller = doAssessmentStatistics(ureq, "command.opensurveystatistic", "SurveyStatistics",
					surveyStatisticLink, StatisticType.SURVEY);
		} else {
			delayedClose = Delayed.assessmentSurveyStatistics;
		}
		return controller;
	}
	
	/**
	 * Only an helper method for the 2 methods above. Don't call it directly, there is no request on close guard.
	 * @param ureq
	 * @param i18nCrumbKey
	 * @param typeName
	 * @param tool
	 * @param types
	 * @return
	 */
	private Activateable2 doAssessmentStatistics(UserRequest ureq, String i18nCrumbKey, String typeName, Link tool, StatisticType type) {
		OLATResourceable ores = OresHelper.createOLATResourceableType(typeName);
		ThreadLocalUserActivityLogger.addLoggingResourceInfo(LoggingResourceable.wrapBusinessPath(ores));
		WindowControl swControl = addToHistory(ureq, ores, null);
		if (reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || reSecurity.isCoach() || hasCourseRight(CourseRights.RIGHT_STATISTICS)) {
			removeCustomCSS();
			UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
			StatisticCourseNodesController ctrl = new StatisticCourseNodesController(ureq, swControl, toolbarPanel,  reSecurity, uce, type);
			listenTo(ctrl);
			statsToolCtr = pushController(ureq, translate(i18nCrumbKey), ctrl);
			currentToolCtr = statsToolCtr;
			setActiveTool(tool);
			return statsToolCtr;
		}
		return null;
	}
	
	private Activateable2 doAssessmentTool(UserRequest ureq) {
		if(delayedClose == Delayed.assessmentTool || requestForClose(ureq)) {
			OLATResourceable ores = OresHelper.createOLATResourceableType("assessmentToolv2");
			ThreadLocalUserActivityLogger.addLoggingResourceInfo(LoggingResourceable.wrapBusinessPath(ores));
			WindowControl swControl = addToHistory(ureq, ores, null);
			
			boolean admin = reSecurity.isEntryAdmin() || reSecurity.isPrincipal() || reSecurity.isMasterCoach() || hasCourseRight(CourseRights.RIGHT_ASSESSMENT);
			boolean nonMembers = reSecurity.isEntryAdmin();
			List<BusinessGroup> coachedGroups = null;
			UserCourseEnvironment userCourseEnv = getUserCourseEnvironment();
			if(reSecurity.isGroupCoach()) {
				coachedGroups = userCourseEnv.getCoachedGroups();
			}
			AssessmentToolSecurityCallback secCallBack
				= new AssessmentToolSecurityCallback(admin, nonMembers, reSecurity.isCourseCoach(), reSecurity.isGroupCoach(), reSecurity.isCurriculumCoach(), coachedGroups);

			removeCustomCSS();
			AssessmentToolController ctrl = new AssessmentToolController(ureq, swControl, toolbarPanel, getRepositoryEntry(), userCourseEnv, secCallBack);
			ctrl.activate(ureq, null, null);
			listenTo(ctrl);
			assessmentToolCtr = pushController(ureq, translate("command.openassessment"), ctrl);
			assessmentToolCtr.assessmentModeMessage();
			currentToolCtr = assessmentToolCtr;
			setActiveTool(assessmentLink);
			ctrl.initToolbar();
			return assessmentToolCtr;

		} else {
			delayedClose = Delayed.assessmentTool;
		}
		return null;
	}
	
	private void doEfficiencyStatements(UserRequest ureq) {
		if(delayedClose == Delayed.efficiencyStatements || requestForClose(ureq)) {
			// will not be disposed on course run dispose, popus up as new browserwindow
			WindowControl bwControl = getSubWindowControl("Certification");
			CertificateAndEfficiencyStatementController efficiencyStatementController
				= new CertificateAndEfficiencyStatementController(addToHistory(ureq, bwControl), ureq, getRepositoryEntry());
			listenTo(efficiencyStatementController);
			efficiencyStatementController = pushController(ureq, translate("command.efficiencystatement"), efficiencyStatementController);
			currentToolCtr = efficiencyStatementController;
			setActiveTool(efficiencyStatementsLink);
		} else {
			delayedClose = Delayed.efficiencyStatements;
		}
	}
	
	private void toggleGlossary(UserRequest ureq) {
		// enable / disable glossary highlighting according to user prefs
		Preferences prefs = ureq.getUserSession().getGuiPreferences();
		String guiPrefsKey = CourseGlossaryFactory.createGuiPrefsKey(getOlatResourceable());
		Boolean state = (Boolean) prefs.get(CourseGlossaryToolLinkController.class, guiPrefsKey);
		Boolean newState = state == null ? Boolean.TRUE : new Boolean(!state.booleanValue());
		setGlossaryLinkTitle(ureq, newState);
		prefs.putAndSave(CourseGlossaryToolLinkController.class, guiPrefsKey, newState);
	}
	
	private void setGlossaryLinkTitle(UserRequest ureq, Boolean state) {
		if(enableGlossaryLink == null) return;
		
		String oresName = ICourse.class.getSimpleName();
		Long courseID = getOlatResourceable().getResourceableId();
		// must work with SP and CP nodes, IFrameDisplayController listens to this event and expects "ICourse" resources.
		OLATResourceable ores = OresHelper.createOLATResourceableInstance(oresName, courseID);
		if (state == null || !state.booleanValue()) {
			enableGlossaryLink.setCustomDisplayText(translate("command.glossary.on.alt"));
			setTextMarkingEnabled(false);
			ureq.getUserSession().getSingleUserEventCenter().fireEventToListenersOf(new MultiUserEvent("glossaryOff"), ores);
		} else {
			enableGlossaryLink.setCustomDisplayText(translate("command.glossary.off.alt"));
			setTextMarkingEnabled(true);
			ureq.getUserSession().getSingleUserEventCenter().fireEventToListenersOf(new MultiUserEvent("glossaryOn"), ores);
		}
	}
	
	@Override
	protected void launchContent(UserRequest ureq, RepositoryEntrySecurity security) {
		super.launchContent(ureq, security);
		if(getRunMainController() != null) {
			addCustomCSS(ureq);
			getRunMainController().initToolbar();
		}
	}
	
	private void doLearningPath(UserRequest ureq) {
		if(delayedClose == Delayed.learningPath || requestForClose(ureq)) {
			OLATResourceable ores = OresHelper.createOLATResourceableType("LearningPath");
			WindowControl swControl = addToHistory(ureq, ores, null);
			IdentityOverviewController identityOverviewCtrl = new IdentityOverviewController(ureq, swControl,
					toolbarPanel, getUserCourseEnvironment());
			
			listenTo(identityOverviewCtrl);
			pushController(ureq, translate("command.learning.path"), identityOverviewCtrl);
			currentToolCtr = identityOverviewCtrl;
			setActiveTool(efficiencyStatementsLink);
		} else {
			delayedClose = Delayed.learningPath;
		}
	}
	
	private void launchChat(UserRequest ureq) {
		boolean vip = reSecurity.isCoach() || reSecurity.isEntryAdmin();
		ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
		OpenInstantMessageEvent event = new OpenInstantMessageEvent(ureq, course, course.getCourseTitle(), vip);
		ureq.getUserSession().getSingleUserEventCenter().fireEventToListenersOf(event, InstantMessagingService.TOWER_EVENT_ORES);
	}
	
	private void launchCourseSearch(UserRequest ureq) {
		// do not dispose SearchInputController after search to remain able to listen to its events 
		removeAsListenerAndDispose(courseSearchCalloutCtr);
		courseSearchCalloutCtr = null;
		removeAsListenerAndDispose(searchController);
		searchController = null;
		SearchServiceUIFactory searchServiceUIFactory = (SearchServiceUIFactory)CoreSpringFactory.getBean(SearchServiceUIFactory.class);
		searchController = searchServiceUIFactory.createInputController(ureq, getWindowControl(), DisplayOption.STANDARD, null);
		listenTo(searchController);		
		courseSearchCalloutCtr = new CloseableCalloutWindowController(ureq, getWindowControl(),
				searchController.getInitialComponent(), searchLink.getDispatchID(), null, true, null);
		courseSearchCalloutCtr.addDisposableChildController(searchController);
		courseSearchCalloutCtr.activate();
		listenTo(courseSearchCalloutCtr);
	}
	
	private void doParticipantList(UserRequest ureq) {
		if(delayedClose == Delayed.participantList || requestForClose(ureq)) {
			removeCustomCSS();
			
			OLATResourceable ores = OresHelper.createOLATResourceableType("ParticipantList");
			WindowControl swControl = addToHistory(ureq, ores, null);
			participatListCtrl = new  MembersToolRunController(ureq, swControl, getUserCourseEnvironment());

			pushController(ureq, translate("command.participant.list"), participatListCtrl);
			setActiveTool(participantListLink);
			currentToolCtr = participatListCtrl;
		} else {
			delayedClose = Delayed.participantList;
		};
	}
	
	private void doParticipantInfo(UserRequest ureq) {
		if(delayedClose == Delayed.participantInfo || requestForClose(ureq)) {
			removeCustomCSS();
			
			boolean autoSubscribe = false;
			boolean canAdd;
			boolean canAdmin;
			if(getUserCourseEnvironment().isCourseReadOnly()) {
				canAdd = false;
				canAdmin = false;
			} else {
				boolean isAdmin = getUserCourseEnvironment().isAdmin();
				canAdd = isAdmin;
				canAdmin = isAdmin;
			}
			
			OLATResourceable ores = OresHelper.createOLATResourceableType("ParticipantInfos");
			WindowControl swControl = addToHistory(ureq, ores, null);
			participatInfoCtrl = new InfoRunController(ureq, swControl, getUserCourseEnvironment(), "ParticipantInfos",
					canAdd, canAdmin, autoSubscribe);

			pushController(ureq, translate("command.participant.info"), participatInfoCtrl);
			setActiveTool(participantInfoLink);
			currentToolCtr = participatInfoCtrl;
		} else {
			delayedClose = Delayed.participantInfo;
		};
	}
	
	private void doEmail(UserRequest ureq) {
		if(delayedClose == Delayed.email || requestForClose(ureq)) {
			removeCustomCSS();
			
			OLATResourceable ores = OresHelper.createOLATResourceableType("email");
			WindowControl swControl = addToHistory(ureq, ores, null);
			emailCtrl = new COToolController(ureq, swControl, getUserCourseEnvironment());

			pushController(ureq, translate("command.email"), emailCtrl);
			setActiveTool(emailLink);
			currentToolCtr = emailCtrl;
		} else {
			delayedClose = Delayed.email;
		};
	}
	
	private void doForum(UserRequest ureq) {
		if(delayedClose == Delayed.forum || requestForClose(ureq)) {
			removeCustomCSS();
			
			OLATResourceable ores = OresHelper.createOLATResourceableType("forum");
			WindowControl swControl = addToHistory(ureq, ores, null);
			forumCtrl = new FOToolController(ureq, swControl, getUserCourseEnvironment());

			pushController(ureq, translate("command.forum"), forumCtrl);
			setActiveTool(forumLink);
			currentToolCtr = forumCtrl;
		} else {
			delayedClose = Delayed.forum;
		};
	}
	
	private void launchCalendar(UserRequest ureq) {
		ControllerCreator ctrlCreator = (lureq, lwControl) -> {
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			ContextEntry ce = BusinessControlFactory.getInstance().createContextEntry(getRepositoryEntry());
			WindowControl llwControl = BusinessControlFactory.getInstance().createBusinessWindowControl(ce, lwControl);
			CourseCalendarController calendarController = new CourseCalendarController(lureq, llwControl, getUserCourseEnvironment());
			// use a one-column main layout
			LayoutMain3ColsController layoutCtr = new LayoutMain3ColsController(lureq, llwControl, calendarController);
			layoutCtr.setCustomCSS(CourseFactory.getCustomCourseCss(lureq.getUserSession(), course.getCourseEnvironment()));
			layoutCtr.addDisposableChildController(calendarController); // dispose calendar on layout dispose
			return layoutCtr;
		};
		//wrap the content controller into a full header layout
		ControllerCreator layoutCtrlr = BaseFullWebappPopupLayoutFactory.createAuthMinimalPopupLayout(ureq, ctrlCreator);
		//open in new browser window
		PopupBrowserWindow pbw = getWindowControl().getWindowBackOffice().getWindowManager().createNewPopupBrowserWindowFor(ureq, layoutCtrlr);
		pbw.open(ureq);
	}
	
	private void launchGroup(UserRequest ureq, Long groupKey) {
		// launch the group in a new top nav tab
		BusinessGroup group = businessGroupService.loadBusinessGroup(groupKey);
		// check if the group still exists and the user is really in this group
		// (security, changed group)
		if (group != null && businessGroupService.isIdentityInBusinessGroup(getIdentity(), group)) {
			// create group without admin flag enabled even though the user might be
			// coach. the flag is not needed here
			// since the groups knows itself if the user is coach and the user sees
			// only his own groups.
			String bsuinessPath = "[BusinessGroup:" + group.getKey() + "]";
			NewControllerFactory.getInstance().launch(bsuinessPath, ureq, getWindowControl());
		} else {
			// display error and do logging
			getWindowControl().setError(translate("error.invalid.group"));
			logAudit("User tried to launch a group but user is not owner or participant "
					+ "of group or group doesn't exist. Hacker attack or group has been changed or deleted. group key :: " + groupKey);
			// refresh toolbox that contained wrong group
			reloadGroupMemberships(reSecurity);
		}
	}
	
	private void launchPersonalNotes(UserRequest ureq) {
		// will not be disposed on course run dispose, pop up as new browser window
		ControllerCreator ctrlCreator = (lureq, lwControl) -> {
			ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
			Controller notesCtr = new NoteController(lureq, course, course.getCourseTitle(), lwControl);
			LayoutMain3ColsController layoutCtr = new LayoutMain3ColsController(lureq, lwControl, notesCtr);
			layoutCtr.setCustomCSS(CourseFactory.getCustomCourseCss(lureq.getUserSession(), course.getCourseEnvironment()));
			layoutCtr.addDisposableChildController(notesCtr); // dispose glossary on layout dispose
			return layoutCtr;
		};
		//wrap the content controller into a full header layout
		ControllerCreator popupLayoutCtr = BaseFullWebappPopupLayoutFactory.createAuthMinimalPopupLayout(ureq, ctrlCreator);
		//open in new browser window
		openInNewBrowserWindow(ureq, popupLayoutCtr);
	}
	
	private void launchGlossary(UserRequest ureq) {
		// start glossary in window
		ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
		final CourseConfig cc = course.getCourseConfig(); // do not cache cc, not save
		final boolean allowGlossaryEditing = reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_GLOSSARY);
		
		// if glossary had been opened from LR as Tab before, warn user:
		DTabs dts = Windows.getWindows(ureq).getWindow(ureq).getDTabs();
		RepositoryEntry repoEntry = RepositoryManager.getInstance().lookupRepositoryEntryBySoftkey(cc.getGlossarySoftKey(), false);
		DTab dt = dts.getDTab(repoEntry.getOlatResource());
		if (dt != null) {
			List<ContextEntry> entries = BusinessControlFactory.getInstance().createCEListFromResourceType(allowGlossaryEditing ? "true" : "false");
			dts.activate(ureq, dt, entries);
		} else {
			ControllerCreator ctrlCreator = (lureq, lwControl) -> {
				GlossaryMainController glossaryController = CourseGlossaryFactory.createCourseGlossaryMainRunController(lwControl, lureq, cc, allowGlossaryEditing);
				listenTo(glossaryController);
				if (glossaryController == null) {
					// happens in the unlikely event of a user who is in a course and
					// now
					// tries to access the glossary
					String text = translate("error.noglossary");
					return MessageUIFactory.createInfoMessage(lureq, lwControl, null, text);
				} else {
					// use a one-column main layout
					LayoutMain3ColsController layoutCtr = new LayoutMain3ColsController(lureq, lwControl, glossaryController);
					// dispose glossary on layout dispose
					layoutCtr.addDisposableChildController(glossaryController);
					return layoutCtr;
				}
			};

			ControllerCreator layoutCtrlr = BaseFullWebappPopupLayoutFactory.createAuthMinimalPopupLayout(ureq, ctrlCreator);
			// open in new browser window
			openInNewBrowserWindow(ureq, layoutCtrlr);
		}
	}
	
	@Override
	protected void processClosedUnclosedEvent(UserRequest ureq) {
		super.processClosedUnclosedEvent(ureq);
		
		RunMainController runCtrl = getRunMainController();
		if(runCtrl != null && runCtrl.getCurrentCourseNode() != null) {
			runCtrl.updateCurrentCourseNode(ureq);
		}
	}

	private void processCourseConfigEvent(CourseConfigEvent event) {
		switch(event.getType()) {
			case search: {
				if(searchLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					searchLink.setVisible(cc.isCourseSearchEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case calendar: {
				if(calendarLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					calendarLink.setVisible(cc.isCalendarEnabled() && calendarModule.isEnabled() && calendarModule.isEnableCourseToolCalendar());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case participantList: {
				if(participantListLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					participantListLink.setVisible(cc.isParticipantListEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case participantInfo: {
				if(participantInfoLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					participantInfoLink.setVisible(cc.isParticipantInfoEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case email: {
				if(emailLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					emailLink.setVisible(cc.isEmailEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case forum: {
				if(forumLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					forumLink.setVisible(cc.isForumEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case chat: {
				if(chatLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					chatLink.setVisible(cc.isChatEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case efficiencyStatement: {
				if(efficiencyStatementsLink != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					efficiencyStatementsLink.setVisible(cc.isEfficencyStatementEnabled() || cc.isCertificateEnabled());
					if(cc.isEfficencyStatementEnabled() || cc.isCertificateEnabled()) {
						UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
						boolean certification = uce.hasEfficiencyStatementOrCertificate(false);
						efficiencyStatementsLink.setEnabled(certification);
					}
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case glossary: {
				if(glossary != null) {
					ICourse course = CourseFactory.loadCourse(getRepositoryEntry());
					CourseConfig cc = course.getCourseEnvironment().getCourseConfig();
					glossary.setVisible(cc.hasGlossary() && cc.isGlossaryEnabled());
					toolbarPanel.setDirty(true);
				}
				break;
			}
			case layout: {
				//don't restart for that
				break;
			}
			case completionType: {
				doDisposeAfterEvent();
				break;
			}
		}
	}
	
	private void processBusinessGroupModifiedEvent(BusinessGroupModifiedEvent bgme) {
		Identity identity = getIdentity();
		// only do something if this identity is affected by change and the action
		// was adding or removing of the user
		if (bgme.wasMyselfAdded(identity) || bgme.wasMyselfRemoved(identity)) {
			reSecurity = repositoryManager.isAllowed(getIdentity(), roles, getRepositoryEntry());
			reloadGroupMemberships(reSecurity);
			loadRights(reSecurity);
			initToolbar();
		} else if (bgme.getCommand().equals(BusinessGroupModifiedEvent.GROUPRIGHTS_MODIFIED_EVENT)) {
			// check if this affects a right group where the user does participate.
			// if so, we need to rebuild the toolboxes
			UserCourseEnvironmentImpl uce = getUserCourseEnvironment();
			if (uce != null && (PersistenceHelper.listContainsObjectByKey(uce.getParticipatingGroups(), bgme.getModifiedGroupKey()) ||
					PersistenceHelper.listContainsObjectByKey(uce.getCoachedGroups(), bgme.getModifiedGroupKey()))) {
				reSecurity = repositoryManager.isAllowed(getIdentity(), roles, getRepositoryEntry());
				reloadGroupMemberships(reSecurity);
				loadRights(reSecurity);
				initToolbar();
			}
		}
	}
	
	@Override
	protected void processEntryChangedEvent(EntryChangedEvent repoEvent) {
		switch(repoEvent.getChange()) {
			case modifiedAtPublish:
			case modifiedAccess:
				processEntryAccessChanged(repoEvent);
				break;
			case deleted:
				doDisposeAfterEvent();
				break;
			default:
				super.processEntryChangedEvent(repoEvent);
				break;
		}
	}
	
	private void processEntryAccessChanged(EntryChangedEvent repoEvent) {
		if(repoEvent.isMe(getIdentity())) {
			//author is not affected
		} else {
			loadRepositoryEntry();
			reSecurity = repositoryManager.isAllowed(getIdentity(), roles, getRepositoryEntry());
			if(reSecurity.canLaunch()) {
				loadRights(reSecurity);
				reloadStatus();
			} else {
				doDisposeAfterEvent();
				loadRights(reSecurity);
				initToolbar();
			}
		}
	}
	
	private void updateCurrentUserCount() {
		if (currentUserCountLink == null) {
			// either called from event handler, not initialized yet
			// or display of user count is not configured
			return;
		}
			
		int currentUserCount = coordinatorManager.getCoordinator().getEventBus().getListeningIdentityCntFor(getOlatResourceable());
		if(currentUserCount == 0) {
			currentUserCount = 1;
		}
			
		currentUserCountLink.setCustomDisplayText(translate("participants.in.course", new String[]{String.valueOf(currentUserCount)}));
	}

	private void doDisposeAfterEvent() {
		RunMainController run = getRunMainController();
		if(run != null) {
			run.doDisposeAfterEvent();
		}
	}
	
	private enum Delayed {
		archive,
		assessmentMode,
		assessmentSurveyStatistics,
		assessmentTestStatistics,
		assessmentTool,
		reminders,
		lecturesAdmin,
		lectures,
		courseAreas,
		courseFolder,
		courseStatistics,
		databases,
		details,
		settings,
		learningPath,
		efficiencyStatements,
		members,
		orders,
		close,
		pop,
		participantList,
		participantInfo,
		email,
		forum
	}
}