Examples with Visitor org.olat.core.util.tree.Visitor used on opensource projects

Example 51 with Visitor

use of org.olat.core.util.tree.Visitor in project openolat by klemens.

the class AssessmentHelper method getAssessableNodes.

/**
 * Get all assessable nodes including the root node (if assessable)
 *
 * @param editorModel
 * @param excludeNode Node that should be excluded in the list, e.g. the
 *          current node or null if all assessable nodes should be used
 * @return List of assessable course nodes
 */
public static List<CourseNode> getAssessableNodes(final CourseEditorTreeModel editorModel, final CourseNode excludeNode) {
    CourseEditorTreeNode rootNode = (CourseEditorTreeNode) editorModel.getRootNode();
    final List<CourseNode> nodes = new ArrayList<CourseNode>();
    // visitor class: takes all assessable nodes if not the exclude node and
    // puts
    // them into the nodes list
    Visitor visitor = new Visitor() {

        @Override
        public void visit(INode node) {
            CourseEditorTreeNode editorNode = (CourseEditorTreeNode) node;
            CourseNode courseNode = editorModel.getCourseNode(node.getIdent());
            if (!editorNode.isDeleted() && (courseNode != excludeNode)) {
                if (checkIfNodeIsAssessable(courseNode)) {
                    nodes.add(courseNode);
                }
            }
        }
    };
    // not visit beginning at the root node
    TreeVisitor tv = new TreeVisitor(visitor, rootNode, false);
    tv.visitAll();
    return nodes;
}

Example 52 with Visitor

use of org.olat.core.util.tree.Visitor in project openolat by klemens.

the class BCWebService method getFolders.

/**
 * Retrieves metadata of the course node
 * @response.representation.200.qname {http://www.example.com}folderVOes
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The course node metadatas
 * @response.representation.200.example {@link org.olat.restapi.support.vo.Examples#SAMPLE_FOLDERVOes}
 * @response.representation.401.doc The roles of the authenticated user are not sufficient
 * @response.representation.404.doc The course or parentNode not found
 * @param courseId The course resourceable's id
 * @param nodeId The node's id
 * @param httpRequest The HTTP request
 * @return The persisted structure element (fully populated)
 */
@GET
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public Response getFolders(@PathParam("courseId") Long courseId, @Context HttpServletRequest httpRequest) {
    final ICourse course = CoursesWebService.loadCourse(courseId);
    if (course == null) {
        return Response.serverError().status(Status.NOT_FOUND).build();
    } else if (!CourseWebService.isCourseAccessible(course, false, httpRequest)) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    final UserRequest ureq = getUserRequest(httpRequest);
    RepositoryEntry entry = RepositoryManager.getInstance().lookupRepositoryEntry(course, true);
    ACService acManager = CoreSpringFactory.getImpl(ACService.class);
    AccessResult result = acManager.isAccessible(entry, ureq.getIdentity(), false);
    if (!result.isAccessible()) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    }
    final Set<String> subscribed = new HashSet<String>();
    NotificationsManager man = NotificationsManager.getInstance();
    List<String> notiTypes = Collections.singletonList("FolderModule");
    List<Subscriber> subs = man.getSubscribers(ureq.getIdentity(), notiTypes);
    for (Subscriber sub : subs) {
        Long courseKey = sub.getPublisher().getResId();
        if (courseId.equals(courseKey)) {
            subscribed.add(sub.getPublisher().getSubidentifier());
            break;
        }
    }
    final List<FolderVO> folderVOs = new ArrayList<FolderVO>();
    new CourseTreeVisitor(course, ureq.getUserSession().getIdentityEnvironment()).visit(new Visitor() {

        @Override
        public void visit(INode node) {
            if (node instanceof BCCourseNode) {
                BCCourseNode bcNode = (BCCourseNode) node;
                FolderVO folder = createFolderVO(ureq.getUserSession().getIdentityEnvironment(), course, bcNode, subscribed);
                folderVOs.add(folder);
            }
        }
    }, new VisibleTreeFilter());
    FolderVOes voes = new FolderVOes();
    voes.setFolders(folderVOs.toArray(new FolderVO[folderVOs.size()]));
    voes.setTotalCount(folderVOs.size());
    return Response.ok(voes).build();
}

Example 53 with Visitor

use of org.olat.core.util.tree.Visitor in project openolat by klemens.

the class CourseRuntimeController method initTools.

private void initTools(Dropdown tools, ICourse course, final UserCourseEnvironmentImpl uce) {
    // 1) administrative tools
    if (reSecurity.isEntryAdmin() || reSecurity.isCourseCoach() || reSecurity.isGroupCoach() || 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)) {
        tools.setI18nKey("header.tools");
        tools.setElementCssClass("o_sel_course_tools");
        if (uce != null && (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);
            folderLink = LinkFactory.createToolLink("cfd", translate("command.coursefolder"), this, "o_icon_coursefolder");
            folderLink.setElementCssClass("o_sel_course_folder");
            tools.addComponent(folderLink);
            tools.addComponent(new Spacer(""));
        }
        if (reSecurity.isEntryAdmin() || 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);
        }
        if (reSecurity.isEntryAdmin() || reSecurity.isCourseCoach() || reSecurity.isGroupCoach() || 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 (reSecurity.isEntryAdmin() || hasCourseRight(CourseRights.RIGHT_ARCHIVING)) {
            archiverLink = LinkFactory.createToolLink("archiver", translate("command.openarchiver"), this, "o_icon_archive_tool");
            tools.addComponent(archiverLink);
        }
        tools.addComponent(new Spacer(""));
        if (reSecurity.isEntryAdmin() || 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.isCourseCoach() || reSecurity.isGroupCoach() || hasCourseRight(CourseRights.RIGHT_STATISTICS))) {
            final AtomicInteger testNodes = new AtomicInteger();
            final AtomicInteger surveyNodes = new AtomicInteger();
            new TreeVisitor(new Visitor() {

                @Override
                public void visit(INode node) {
                    if (((CourseNode) node).isStatisticNodeResultAvailable(uce, QTIType.test, QTIType.onyx)) {
                        testNodes.incrementAndGet();
                    } else if (((CourseNode) node).isStatisticNodeResultAvailable(uce, QTIType.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);
            }
        }
        tools.addComponent(new Spacer(""));
        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);
        }
        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);
    }
}

Example 54 with Visitor

use of org.olat.core.util.tree.Visitor in project openolat by klemens.

the class CourseRuntimeController method isAllowedToLeave.

private boolean isAllowedToLeave(UserCourseEnvironmentImpl uce) {
    if (uce.getParticipatingGroups().size() > 0) {
        CourseNode rootNode = uce.getCourseEnvironment().getRunStructure().getRootNode();
        OLATResource courseResource = uce.getCourseEnvironment().getCourseGroupManager().getCourseResource();
        AtomicBoolean bool = new AtomicBoolean(false);
        new TreeVisitor(new Visitor() {

            @Override
            public void visit(INode 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()) {
            // is in a enrollment group
            return false;
        }
    }
    return (uce.isParticipant() || !uce.getParticipatingGroups().isEmpty());
}

Example 55 with Visitor

use of org.olat.core.util.tree.Visitor in project openolat by klemens.

the class StatisticCourseNodesController method buildTreeModel.

private TreeModel buildTreeModel(final UserRequest ureq, final UserCourseEnvironment userCourseEnv) {
    final GenericTreeModel gtm = new GenericTreeModel();
    final GenericTreeNode rootTreeNode = new GenericTreeNode();
    rootTreeNode.setTitle("start");
    gtm.setRootNode(rootTreeNode);
    ICourse course = CourseFactory.loadCourse(userCourseEnv.getCourseEnvironment().getCourseResourceableId());
    new TreeVisitor(new Visitor() {

        @Override
        public void visit(INode node) {
            CourseNode courseNode = (CourseNode) node;
            StatisticResourceResult result = courseNode.createStatisticNodeResult(ureq, getWindowControl(), userCourseEnv, options, types);
            if (result != null) {
                StatisticResourceNode courseNodeTreeNode = new StatisticResourceNode(courseNode, result);
                rootTreeNode.addChild(courseNodeTreeNode);
                TreeModel subTreeModel = result.getSubTreeModel();
                if (subTreeModel != null) {
                    TreeNode subRootNode = subTreeModel.getRootNode();
                    List<INode> subNodes = new ArrayList<>();
                    for (int i = 0; i < subRootNode.getChildCount(); i++) {
                        subNodes.add(subRootNode.getChildAt(i));
                    }
                    for (INode subNode : subNodes) {
                        courseNodeTreeNode.addChild(subNode);
                    }
                }
            }
        }
    }, course.getRunStructure().getRootNode(), true).visitAll();
    return gtm;
}