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

Example 1 with Visitor

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

the class EditorMainController method doCreateAlternateBuildingBlock.

/**
 * The following operation are done:
 * <ul>
 * 	<li>create a new instance of the replacement type
 * 	<li>add the new element below the original element
 * 	<li>copy the element title, description and the generic configuration options
 * 	<li>copy the access, visibility and scoring rules (easy and expert)
 * 	<li>optionally copy some other configuration if this is possible at all
 * 	<li>move all child elements from the original to the replacement element
 * 	<li>mark the original element as deleted
 * </ul>
 *
 * @param chosenNode
 * @param selectAlternative
 */
private void doCreateAlternateBuildingBlock(UserRequest ureq, ICourse course, CourseNode chosenNode, String selectAlternative) {
    if (!StringHelper.containsNonWhitespace(selectAlternative))
        return;
    // create the alternative node
    CourseNodeConfiguration newConfig = CourseNodeFactory.getInstance().getCourseNodeConfiguration(selectAlternative);
    CourseNode newNode = newConfig.getInstance();
    // copy configurations
    chosenNode.copyConfigurationTo(newNode, course);
    // insert the node
    CourseEditorTreeNode cetn = (CourseEditorTreeNode) cetm.getNodeById(chosenNode.getIdent());
    CourseEditorTreeNode parentNode = (CourseEditorTreeNode) cetn.getParent();
    int position = cetn.getPosition() + 1;
    CourseEditorTreeNode newCetn = course.getEditorTreeModel().insertCourseNodeAt(newNode, parentNode.getCourseNode(), position);
    doInsert(ureq, newNode);
    // copy the children
    while (cetn.getChildCount() > 0) {
        CourseEditorTreeNode childNode = (CourseEditorTreeNode) cetn.getChildAt(0);
        newCetn.addChild(childNode);
    }
    // set all dirty
    TreeVisitor tv = new TreeVisitor(new Visitor() {

        public void visit(INode node) {
            ((CourseEditorTreeNode) node).setDirty(true);
        }
    }, newCetn, true);
    tv.visitAll();
    // mark as deleted
    doDelete(course, chosenNode.getIdent());
    // save
    CourseFactory.saveCourseEditorTreeModel(course.getResourceableId());
}

Example 2 with Visitor

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

the class CourseEditorEnvImpl method checkFolderNodes.

private List<StatusDescription> checkFolderNodes(INode rootNode, ICourse course, List<StatusDescription> descriptions) {
    List<StatusDescription> descriptionsI = descriptions;
    Visitor visitor = new Visitor() {

        @Override
        public void visit(INode node) {
            CourseEditorTreeNode courseNode = (CourseEditorTreeNode) course.getEditorTreeModel().getNodeById(node.getIdent());
            if (!courseNode.isDeleted() && courseNode.getCourseNode() instanceof BCCourseNode) {
                BCCourseNode bcNode = (BCCourseNode) courseNode.getCourseNode();
                if (bcNode.isSharedFolder()) {
                    String translPackage = Util.getPackageName(BCCourseNodeEditController.class);
                    StatusDescription status = new StatusDescription(StatusDescription.ERROR, "warning.no.sharedfolder", "warning.no.sharedfolder", null, translPackage);
                    status.setDescriptionForUnit(bcNode.getIdent());
                    // set which pane is affected by error
                    status.setActivateableViewIdentifier(BCCourseNodeEditController.PANE_TAB_FOLDER);
                    descriptionsI.add(status);
                }
            }
        }
    };
    TreeVisitor v = new TreeVisitor(visitor, rootNode, false);
    v.visitAll();
    return descriptionsI;
}

Example 3 with Visitor

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

the class UserFoldersTest method myFolders.

/**
 * Test retrieve the folder which the user subscribe in a course.
 * @throws IOException
 * @throws URISyntaxException
 */
@Test
public void myFolders() throws IOException, URISyntaxException {
    final Identity id = JunitTestHelper.createAndPersistIdentityAsUser("my-" + UUID.randomUUID().toString());
    dbInstance.commitAndCloseSession();
    // load my forums
    RestConnection conn = new RestConnection();
    assertTrue(conn.login(id.getName(), "A6B7C8"));
    // subscribed to nothing
    URI uri = UriBuilder.fromUri(getContextURI()).path("users").path(id.getKey().toString()).path("folders").build();
    HttpGet method = conn.createGet(uri, MediaType.APPLICATION_JSON, true);
    HttpResponse response = conn.execute(method);
    assertEquals(200, response.getStatusLine().getStatusCode());
    InputStream body = response.getEntity().getContent();
    FolderVOes folders = conn.parse(body, FolderVOes.class);
    Assert.assertNotNull(folders);
    Assert.assertNotNull(folders.getFolders());
    Assert.assertEquals(0, folders.getFolders().length);
    // subscribe to the forum
    IdentityEnvironment ienv = new IdentityEnvironment(id, new Roles(false, false, false, false, false, false, false));
    new CourseTreeVisitor(myCourse, ienv).visit(new Visitor() {

        @Override
        public void visit(INode node) {
            if (node instanceof BCCourseNode) {
                BCCourseNode folderNode = (BCCourseNode) node;
                String relPath = BCCourseNode.getFoldernodePathRelToFolderBase(myCourse.getCourseEnvironment(), folderNode);
                String businessPath = "[RepositoryEntry:" + myCourseRe.getKey() + "][CourseNode:" + folderNode.getIdent() + "]";
                SubscriptionContext folderSubContext = new SubscriptionContext("CourseModule", myCourse.getResourceableId(), folderNode.getIdent());
                PublisherData folderPdata = new PublisherData("FolderModule", relPath, businessPath);
                NotificationsManager.getInstance().subscribe(id, folderSubContext, folderPdata);
            }
        }
    }, new VisibleTreeFilter());
    dbInstance.commitAndCloseSession();
    // retrieve my folders
    HttpGet method2 = conn.createGet(uri, MediaType.APPLICATION_JSON, true);
    HttpResponse response2 = conn.execute(method2);
    assertEquals(200, response2.getStatusLine().getStatusCode());
    InputStream body2 = response2.getEntity().getContent();
    FolderVOes folders2 = conn.parse(body2, FolderVOes.class);
    Assert.assertNotNull(folders2);
    Assert.assertNotNull(folders2.getFolders());
    Assert.assertEquals(1, folders2.getFolders().length);
}

Example 4 with Visitor

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

the class ForumCourseNodeWebService method getForums.

/**
 * Retrieves metadata of the published course node
 * @response.representation.200.qname {http://www.example.com}forumVOes
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The course node metadatas
 * @response.representation.200.example {@link org.olat.modules.fo.restapi.Examples#SAMPLE_FORUMVOes}
 * @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 httpRequest The HTTP request
 * @return The persisted structure element (fully populated)
 */
@GET
@Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public Response getForums(@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();
    }
    UserRequest ureq = getUserRequest(httpRequest);
    final Set<Long> subcribedForums = new HashSet<Long>();
    NotificationsManager man = NotificationsManager.getInstance();
    List<String> notiTypes = Collections.singletonList("Forum");
    List<Subscriber> subs = man.getSubscribers(ureq.getIdentity(), notiTypes);
    for (Subscriber sub : subs) {
        Long forumKey = Long.parseLong(sub.getPublisher().getData());
        subcribedForums.add(forumKey);
    }
    final List<ForumVO> forumVOs = new ArrayList<ForumVO>();
    new CourseTreeVisitor(course, ureq.getUserSession().getIdentityEnvironment()).visit(new Visitor() {

        @Override
        public void visit(INode node) {
            if (node instanceof FOCourseNode) {
                FOCourseNode forumNode = (FOCourseNode) node;
                ForumVO forum = createForumVO(course, forumNode, subcribedForums);
                forumVOs.add(forum);
            }
        }
    }, new VisibleTreeFilter());
    ForumVOes voes = new ForumVOes();
    voes.setForums(forumVOs.toArray(new ForumVO[forumVOs.size()]));
    voes.setTotalCount(forumVOs.size());
    return Response.ok(voes).build();
}

Example 5 with Visitor

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

the class MyForumsWebService method getForums.

/**
 * Retrieves a list of forums on a user base. All forums of groups
 * where the user is participant/tutor + all forums in course where
 * the user is a participant (owner, tutor or participant)
 * @response.representation.200.qname {http://www.example.com}forumVO
 * @response.representation.200.mediaType application/xml, application/json
 * @response.representation.200.doc The forums
 * @response.representation.200.example {@link org.olat.modules.fo.restapi.Examples#SAMPLE_FORUMVO}
 * @response.representation.401.doc The roles of the authenticated user are not sufficient
 * @param identityKey The key of the user (IdentityImpl)
 * @param httpRequest The HTTP request
 * @return The forums
 */
@GET
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public Response getForums(@PathParam("identityKey") Long identityKey, @Context HttpServletRequest httpRequest) {
    Roles roles;
    Identity retrievedUser = getIdentity(httpRequest);
    if (retrievedUser == null) {
        return Response.serverError().status(Status.UNAUTHORIZED).build();
    } else if (!identityKey.equals(retrievedUser.getKey())) {
        if (isAdmin(httpRequest)) {
            retrievedUser = BaseSecurityManager.getInstance().loadIdentityByKey(identityKey);
            roles = BaseSecurityManager.getInstance().getRoles(retrievedUser);
        } else {
            return Response.serverError().status(Status.UNAUTHORIZED).build();
        }
    } else {
        roles = getRoles(httpRequest);
    }
    Map<Long, Long> groupNotified = new HashMap<Long, Long>();
    Map<Long, Collection<Long>> courseNotified = new HashMap<Long, Collection<Long>>();
    final Set<Long> subscriptions = new HashSet<Long>();
    NotificationsManager man = NotificationsManager.getInstance();
    {
        // collect subscriptions
        List<String> notiTypes = Collections.singletonList("Forum");
        List<Subscriber> subs = man.getSubscribers(retrievedUser, notiTypes);
        for (Subscriber sub : subs) {
            String resName = sub.getPublisher().getResName();
            Long forumKey = Long.parseLong(sub.getPublisher().getData());
            subscriptions.add(forumKey);
            if ("BusinessGroup".equals(resName)) {
                Long groupKey = sub.getPublisher().getResId();
                groupNotified.put(groupKey, forumKey);
            } else if ("CourseModule".equals(resName)) {
                Long courseKey = sub.getPublisher().getResId();
                if (!courseNotified.containsKey(courseKey)) {
                    courseNotified.put(courseKey, new ArrayList<Long>());
                }
                courseNotified.get(courseKey).add(forumKey);
            }
        }
    }
    final List<ForumVO> forumVOs = new ArrayList<ForumVO>();
    final IdentityEnvironment ienv = new IdentityEnvironment(retrievedUser, roles);
    for (Map.Entry<Long, Collection<Long>> e : courseNotified.entrySet()) {
        final Long courseKey = e.getKey();
        final Collection<Long> forumKeys = e.getValue();
        final ICourse course = CourseFactory.loadCourse(courseKey);
        new CourseTreeVisitor(course, ienv).visit(new Visitor() {

            @Override
            public void visit(INode node) {
                if (node instanceof FOCourseNode) {
                    FOCourseNode forumNode = (FOCourseNode) node;
                    ForumVO forumVo = ForumCourseNodeWebService.createForumVO(course, forumNode, subscriptions);
                    if (forumKeys.contains(forumVo.getForumKey())) {
                        forumVOs.add(forumVo);
                    }
                }
            }
        }, new VisibleTreeFilter());
    }
    /*
		RepositoryManager rm = RepositoryManager.getInstance();
		ACService acManager = CoreSpringFactory.getImpl(ACService.class);
		SearchRepositoryEntryParameters repoParams = new SearchRepositoryEntryParameters(retrievedUser, roles, "CourseModule");
		repoParams.setOnlyExplicitMember(true);
		List<RepositoryEntry> entries = rm.genericANDQueryWithRolesRestriction(repoParams, 0, -1, true);
		for(RepositoryEntry entry:entries) {
			AccessResult result = acManager.isAccessible(entry, retrievedUser, false);
			if(result.isAccessible()) {
				try {
					final ICourse course = CourseFactory.loadCourse(entry.getOlatResource());
					final IdentityEnvironment ienv = new IdentityEnvironment(retrievedUser, roles);
					new CourseTreeVisitor(course, ienv).visit(new Visitor() {
						@Override
						public void visit(INode node) {
							if(node instanceof FOCourseNode) {
								FOCourseNode forumNode = (FOCourseNode)node;	
								ForumVO forumVo = ForumCourseNodeWebService.createForumVO(course, forumNode, subscriptions);
								forumVOs.add(forumVo);
							}
						}
					});
				} catch (Exception e) {
					log.error("", e);
				}
			}
		}*/
    // start found forums in groups
    BusinessGroupService bgs = CoreSpringFactory.getImpl(BusinessGroupService.class);
    SearchBusinessGroupParams params = new SearchBusinessGroupParams(retrievedUser, true, true);
    params.addTools(CollaborationTools.TOOL_FORUM);
    List<BusinessGroup> groups = bgs.findBusinessGroups(params, null, 0, -1);
    // list forum keys
    List<Long> groupIds = new ArrayList<Long>();
    Map<Long, BusinessGroup> groupsMap = new HashMap<Long, BusinessGroup>();
    for (BusinessGroup group : groups) {
        if (groupNotified.containsKey(group.getKey())) {
            ForumVO forumVo = new ForumVO();
            forumVo.setName(group.getName());
            forumVo.setGroupKey(group.getKey());
            forumVo.setForumKey(groupNotified.get(group.getKey()));
            forumVo.setSubscribed(true);
            forumVOs.add(forumVo);
            groupIds.remove(group.getKey());
        } else {
            groupIds.add(group.getKey());
            groupsMap.put(group.getKey(), group);
        }
    }
    PropertyManager pm = PropertyManager.getInstance();
    List<Property> forumProperties = pm.findProperties(OresHelper.calculateTypeName(BusinessGroup.class), groupIds, PROP_CAT_BG_COLLABTOOLS, KEY_FORUM);
    for (Property prop : forumProperties) {
        Long forumKey = prop.getLongValue();
        if (forumKey != null && groupsMap.containsKey(prop.getResourceTypeId())) {
            BusinessGroup group = groupsMap.get(prop.getResourceTypeId());
            ForumVO forumVo = new ForumVO();
            forumVo.setName(group.getName());
            forumVo.setGroupKey(group.getKey());
            forumVo.setForumKey(prop.getLongValue());
            forumVo.setSubscribed(false);
            forumVOs.add(forumVo);
        }
    }
    ForumVOes voes = new ForumVOes();
    voes.setForums(forumVOs.toArray(new ForumVO[forumVOs.size()]));
    voes.setTotalCount(forumVOs.size());
    return Response.ok(voes).build();
}