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

Example 21 with TreeVisitor

use of org.olat.core.util.tree.TreeVisitor 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 22 with TreeVisitor

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

the class OLATUpgrade_11_2_1 method processCourse.

private boolean processCourse(RepositoryEntry entry) {
    try {
        ICourse course = CourseFactory.loadCourse(entry);
        CourseNode rootNode = course.getRunStructure().getRootNode();
        final List<TACourseNode> taskNodes = new ArrayList<>();
        new TreeVisitor(new Visitor() {

            @Override
            public void visit(INode node) {
                if (node instanceof TACourseNode) {
                    taskNodes.add((TACourseNode) node);
                }
            }
        }, rootNode, false).visitAll();
        for (TACourseNode taskNode : taskNodes) {
            processTaskCourseNode(course, entry, taskNode);
        }
        return true;
    } catch (CorruptedCourseException e) {
        log.warn("Corrupted course: " + entry.getDisplayname() + " (" + entry.getKey() + ")", e);
        return true;
    } catch (Exception e) {
        log.error("", e);
        return true;
    }
}

Example 23 with TreeVisitor

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

the class OLATUpgrade_11_0_0 method processCourseAssessmentData.

// select count(*) from o_property where name in ('SCORE','PASSED','ATTEMPTS','COMMENT','COACH_COMMENT','ASSESSMENT_ID','FULLY_ASSESSED');
private boolean processCourseAssessmentData(RepositoryEntry courseEntry) {
    boolean allOk = true;
    try {
        final Long courseResourceId = courseEntry.getOlatResource().getResourceableId();
        final ICourse course = CourseFactory.loadCourse(courseEntry);
        // load all assessable identities
        List<Identity> assessableIdentities = getAllAssessableIdentities(course, courseEntry);
        Map<AssessmentDataKey, AssessmentEntryImpl> curentNodeAssessmentMap = new HashMap<>();
        {
            // load already migrated data
            List<AssessmentEntryImpl> currentNodeAssessmentList = loadAssessmentEntries(courseEntry);
            for (AssessmentEntryImpl currentNodeAssessment : currentNodeAssessmentList) {
                AssessmentDataKey key = new AssessmentDataKey(currentNodeAssessment.getIdentity().getKey(), courseResourceId, currentNodeAssessment.getSubIdent());
                curentNodeAssessmentMap.put(key, currentNodeAssessment);
            }
        }
        Map<AssessmentDataKey, AssessmentEntryImpl> nodeAssessmentMap = new HashMap<>();
        {
            // processed properties
            List<Property> courseProperties = loadAssessmentProperties(courseEntry);
            for (Property property : courseProperties) {
                String propertyCategory = property.getCategory();
                if (StringHelper.containsNonWhitespace(propertyCategory)) {
                    int nodeIdentIndex = propertyCategory.indexOf("::");
                    if (nodeIdentIndex > 0) {
                        String nodeIdent = propertyCategory.substring(propertyCategory.indexOf("::") + 2);
                        AssessmentDataKey key = new AssessmentDataKey(property.getIdentity().getKey(), property.getResourceTypeId(), nodeIdent);
                        if (curentNodeAssessmentMap.containsKey(key)) {
                            continue;
                        }
                        AssessmentEntryImpl nodeAssessment;
                        if (nodeAssessmentMap.containsKey(key)) {
                            nodeAssessment = nodeAssessmentMap.get(key);
                            if (nodeAssessment.getCreationDate().after(property.getCreationDate())) {
                                nodeAssessment.setCreationDate(property.getCreationDate());
                            }
                            if (nodeAssessment.getLastModified().before(property.getLastModified())) {
                                nodeAssessment.setLastModified(property.getLastModified());
                            }
                        } else {
                            nodeAssessment = createAssessmentEntry(property.getIdentity(), property, course, courseEntry, nodeIdent);
                        }
                        copyAssessmentProperty(property, nodeAssessment, course);
                        nodeAssessmentMap.put(key, nodeAssessment);
                    }
                }
            }
        }
        // check the transient qti ser
        CourseNode rootNode = course.getRunStructure().getRootNode();
        new TreeVisitor(new Visitor() {

            @Override
            public void visit(INode node) {
                if (node instanceof AssessableCourseNode) {
                    processNonPropertiesStates(assessableIdentities, (AssessableCourseNode) node, course, courseEntry, nodeAssessmentMap, curentNodeAssessmentMap);
                }
            }
        }, rootNode, true).visitAll();
        dbInstance.commitAndCloseSession();
        int count = 0;
        for (AssessmentEntryImpl courseNodeAssessment : nodeAssessmentMap.values()) {
            dbInstance.getCurrentEntityManager().persist(courseNodeAssessment);
            if (++count % 50 == 0) {
                dbInstance.commit();
            }
        }
        dbInstance.commitAndCloseSession();
        allOk = verifyCourseAssessmentData(assessableIdentities, courseEntry);
        dbInstance.commitAndCloseSession();
        if (allOk) {
            List<STCourseNode> nodes = hasAssessableSTCourseNode(course);
            if (nodes.size() > 0) {
                log.info("Has assessables ST nodes");
                for (Identity identity : assessableIdentities) {
                    IdentityEnvironment identityEnv = new IdentityEnvironment(identity, null);
                    UserCourseEnvironmentImpl userCourseEnv = new UserCourseEnvironmentImpl(identityEnv, course.getCourseEnvironment());
                    userCourseEnv.getScoreAccounting().evaluateAll(true);
                    dbInstance.commit();
                }
            }
        }
    } catch (Exception e) {
        log.error("", e);
    }
    return allOk;
}

Example 24 with TreeVisitor

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

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 25 with TreeVisitor

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

the class EditorMainController method dropNodeAsChild.

private void dropNodeAsChild(UserRequest ureq, ICourse course, String droppedNodeId, String targetNodeId, boolean asChild, boolean atTheEnd) {
    // setDirty when moving
    menuTree.setDirty(true);
    CourseNode droppedNode = cetm.getCourseNode(droppedNodeId);
    int position;
    CourseEditorTreeNode insertParent;
    if (asChild) {
        insertParent = cetm.getCourseEditorNodeById(targetNodeId);
        position = atTheEnd ? -1 : 0;
    } else {
        CourseEditorTreeNode selectedNode = cetm.getCourseEditorNodeById(targetNodeId);
        if (selectedNode.getParent() == null) {
            // root node
            insertParent = selectedNode;
            position = 0;
        } else {
            insertParent = course.getEditorTreeModel().getCourseEditorNodeById(selectedNode.getParent().getIdent());
            position = 0;
            for (position = insertParent.getChildCount(); position-- > 0; ) {
                if (insertParent.getChildAt(position).getIdent().equals(selectedNode.getIdent())) {
                    position++;
                    break;
                }
            }
        }
    }
    CourseEditorTreeNode moveFrom = course.getEditorTreeModel().getCourseEditorNodeById(droppedNode.getIdent());
    // check if an ancestor is not dropped on a child
    if (course.getEditorTreeModel().checkIfIsChild(insertParent, moveFrom)) {
        showError("movecopynode.error.overlap");
        fireEvent(ureq, Event.CANCELLED_EVENT);
        return;
    }
    // don't generate red screen for that. If the position is too high -> add the node at the end
    if (position >= insertParent.getChildCount()) {
        position = -1;
    }
    try {
        if (position >= 0) {
            insertParent.insert(moveFrom, position);
        } else {
            insertParent.addChild(moveFrom);
        }
    } catch (IndexOutOfBoundsException e) {
        logError("", e);
        // reattach the node as security, if not, the node is lost
        insertParent.addChild(moveFrom);
    }
    moveFrom.setDirty(true);
    // mark subtree as dirty
    TreeVisitor tv = new TreeVisitor(new Visitor() {

        public void visit(INode node) {
            CourseEditorTreeNode cetn = (CourseEditorTreeNode) node;
            cetn.setDirty(true);
        }
    }, moveFrom, true);
    tv.visitAll();
    CourseFactory.saveCourseEditorTreeModel(course.getResourceableId());
    showInfo("movecopynode.info.condmoved");
    ThreadLocalUserActivityLogger.log(CourseLoggingAction.COURSE_EDITOR_NODE_MOVED, getClass());
    euce.getCourseEditorEnv().validateCourse();
    StatusDescription[] courseStatus = euce.getCourseEditorEnv().getCourseStatus();
    updateCourseStatusMessages(ureq.getLocale(), courseStatus);
}