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

Example 21 with Visitor

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

the class CourseEditorEnvImpl method validateCourse.

/**
 * @see org.olat.course.editor.CourseEditorEnv#validateCourse()
 */
@Override
public void validateCourse() {
    /*
		 * collect all condition error messages and soft references collect all
		 * configuration errors.
		 */
    String currentNodeWas = currentCourseNodeId;
    // reset all
    softRefs = new HashMap<String, List<ConditionExpression>>();
    Visitor v = new CollectConditionExpressionsVisitor();
    (new TreeVisitor(v, cetm.getRootNode(), true)).visitAll();
    // refresh,create status descriptions of the course
    statusDescs = new HashMap<String, List<StatusDescription>>();
    v = new CollectStatusDescriptionVisitor(this);
    (new TreeVisitor(v, cetm.getRootNode(), true)).visitAll();
    // 
    currentCourseNodeId = currentNodeWas;
}

Example 22 with Visitor

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

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 23 with Visitor

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

the class QTIEditorMainController method createChangeMessage.

/**
 * helper method to create the change log message
 *
 * @return
 */
private String createChangeMessage() {
    // FIXME:pb:break down into smaller pieces
    final StringBuilder result = new StringBuilder();
    if (isRestrictedEdit()) {
        Visitor v = new Visitor() {

            /*
				 * a history key is built as follows
				 * sectionkey+"/"+itemkey+"/"+questionkey+"/"+responsekey
				 */
            String sectionKey = null;

            Map<String, String> itemMap = new HashMap<>();

            public void visit(INode node) {
                if (node instanceof AssessmentNode) {
                    AssessmentNode an = (AssessmentNode) node;
                    String key = "null/null/null/null";
                    if (history.containsKey(key)) {
                        // some assessment top level data changed
                        Memento mem = history.get(key);
                        result.append("---+ Changes in test " + formatVariable(startedWithTitle) + ":");
                        result.append(an.createChangeMessage(mem));
                    }
                } else if (node instanceof SectionNode) {
                    SectionNode sn = (SectionNode) node;
                    String tmpKey = ((Section) sn.getUnderlyingQTIObject()).getIdent();
                    String key = tmpKey + "/null/null/null";
                    if (history.containsKey(key)) {
                        // some section only data changed
                        Memento mem = history.get(key);
                        result.append("\n---++ Section " + formatVariable(sn.getAltText()) + " changes:");
                        result.append(sn.createChangeMessage(mem));
                    }
                } else if (node instanceof ItemNode) {
                    ItemNode in = (ItemNode) node;
                    SectionNode sn = (SectionNode) in.getParent();
                    String parentSectkey = ((Section) ((SectionNode) in.getParent()).getUnderlyingQTIObject()).getIdent();
                    Item item = (Item) in.getUnderlyingQTIObject();
                    Question question = item.getQuestion();
                    String itemKey = item.getIdent();
                    String prefixKey = "null/" + itemKey;
                    String questionIdent = question != null ? question.getQuestion().getId() : "null";
                    String key = prefixKey + "/" + questionIdent + "/null";
                    StringBuilder changeMessage = new StringBuilder();
                    boolean hasChanges = false;
                    if (!itemMap.containsKey(itemKey)) {
                        Memento questMem = null;
                        Memento respMem = null;
                        if (history.containsKey(key)) {
                            // question changed!
                            questMem = history.get(key);
                            hasChanges = true;
                        }
                        // if(!hasChanges){
                        // check if a response changed
                        // new prefix for responses
                        prefixKey += "/null/";
                        // list contains org.olat.ims.qti.editor.beecom.objects.Response
                        List<Response> responses = question != null ? question.getResponses() : null;
                        if (responses != null && responses.size() > 0) {
                            // check for changes in each response
                            for (Iterator<Response> iter = responses.iterator(); iter.hasNext(); ) {
                                Response resp = iter.next();
                                if (history.containsKey(prefixKey + resp.getIdent())) {
                                    // this response changed!
                                    Memento tmpMem = history.get(prefixKey + resp.getIdent());
                                    if (respMem != null) {
                                        respMem = respMem.getTimestamp() > tmpMem.getTimestamp() ? tmpMem : respMem;
                                    } else {
                                        hasChanges = true;
                                        respMem = tmpMem;
                                    }
                                }
                            }
                        }
                        // output message
                        if (hasChanges) {
                            Memento mem = null;
                            if (questMem != null && respMem != null) {
                                // use the earlier memento
                                mem = questMem.getTimestamp() > respMem.getTimestamp() ? respMem : questMem;
                            } else if (questMem != null) {
                                mem = questMem;
                            } else if (respMem != null) {
                                mem = respMem;
                            }
                            changeMessage.append(in.createChangeMessage(mem));
                            itemMap.put(itemKey, itemKey);
                            if (!parentSectkey.equals(sectionKey)) {
                                // either this item belongs to a new section or no section
                                // is active
                                result.append("\n---++ Section " + formatVariable(sn.getAltText()) + " changes:");
                                result.append("\n").append(changeMessage);
                                sectionKey = parentSectkey;
                            } else {
                                result.append("\n").append(changeMessage);
                            }
                        }
                    }
                }
            }

            private String formatVariable(String var) {
                if (StringHelper.containsNonWhitespace(var)) {
                    return var;
                }
                return "[no entry]";
            }
        };
        TreeVisitor tv = new TreeVisitor(v, menuTreeModel.getRootNode(), false);
        tv.visitAll();
    }
    /*
		 * 
		 */
    return result.toString();
}

Example 24 with Visitor

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

the class CoursesInfosWebService method collect.

private CourseInfoVO collect(final Identity identity, final Roles roles, final RepositoryEntry entry, final Set<Long> forumNotified, final Map<Long, Set<String>> courseNotified) {
    CourseInfoVO info = new CourseInfoVO();
    info.setRepoEntryKey(entry.getKey());
    info.setSoftKey(entry.getSoftkey());
    info.setDisplayName(entry.getDisplayname());
    ACService acManager = CoreSpringFactory.getImpl(ACService.class);
    AccessResult result = acManager.isAccessible(entry, identity, false);
    if (result.isAccessible()) {
        try {
            final ICourse course = CourseFactory.loadCourse(entry);
            final List<FolderVO> folders = new ArrayList<FolderVO>();
            final List<ForumVO> forums = new ArrayList<ForumVO>();
            final IdentityEnvironment ienv = new IdentityEnvironment(identity, roles);
            new CourseTreeVisitor(course, ienv).visit(new Visitor() {

                @Override
                public void visit(INode node) {
                    if (node instanceof BCCourseNode) {
                        BCCourseNode bcNode = (BCCourseNode) node;
                        folders.add(BCWebService.createFolderVO(ienv, course, bcNode, courseNotified.get(course.getResourceableId())));
                    } else if (node instanceof FOCourseNode) {
                        FOCourseNode forumNode = (FOCourseNode) node;
                        forums.add(ForumCourseNodeWebService.createForumVO(course, forumNode, forumNotified));
                    }
                }
            }, new VisibleTreeFilter());
            info.setKey(course.getResourceableId());
            info.setTitle(course.getCourseTitle());
            info.setFolders(folders.toArray(new FolderVO[folders.size()]));
            info.setForums(forums.toArray(new ForumVO[forums.size()]));
        } catch (Exception e) {
            log.error("", e);
        }
    }
    return info;
}

Example 25 with Visitor

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

the class MyForumsTest method myForums.

/**
 * Test retrieve the forum which the user subscribe in a course.
 * @throws IOException
 * @throws URISyntaxException
 */
@Test
public void myForums() throws IOException, URISyntaxException {
    URL courseWithForumsUrl = MyForumsTest.class.getResource("myCourseWS.zip");
    Assert.assertNotNull(courseWithForumsUrl);
    File courseWithForums = new File(courseWithForumsUrl.toURI());
    String softKey = UUID.randomUUID().toString().replace("_", "");
    RepositoryEntry myCourseRe = CourseFactory.deployCourseFromZIP(courseWithForums, softKey, 4);
    Assert.assertNotNull(myCourseRe);
    ICourse myCourse = CourseFactory.loadCourse(myCourseRe);
    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("forums").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();
    ForumVOes forums = conn.parse(body, ForumVOes.class);
    Assert.assertNotNull(forums);
    Assert.assertNotNull(forums.getForums());
    Assert.assertEquals(0, forums.getForums().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 FOCourseNode) {
                FOCourseNode forumNode = (FOCourseNode) node;
                Forum forum = forumNode.loadOrCreateForum(myCourse.getCourseEnvironment());
                String businessPath = "[RepositoryEntry:" + myCourseRe.getKey() + "][CourseNode:" + forumNode.getIdent() + "]";
                SubscriptionContext forumSubContext = new SubscriptionContext("CourseModule", myCourse.getResourceableId(), forumNode.getIdent());
                PublisherData forumPdata = new PublisherData(OresHelper.calculateTypeName(Forum.class), forum.getKey().toString(), businessPath);
                NotificationsManager.getInstance().subscribe(id, forumSubContext, forumPdata);
            }
        }
    }, new VisibleTreeFilter());
    dbInstance.commitAndCloseSession();
    // retrieve my forums
    HttpGet method2 = conn.createGet(uri, MediaType.APPLICATION_JSON, true);
    HttpResponse response2 = conn.execute(method2);
    assertEquals(200, response2.getStatusLine().getStatusCode());
    InputStream body2 = response2.getEntity().getContent();
    ForumVOes forums2 = conn.parse(body2, ForumVOes.class);
    Assert.assertNotNull(forums2);
    Assert.assertNotNull(forums2.getForums());
    Assert.assertEquals(1, forums2.getForums().length);
}