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

Example 1 with TreeVisitor

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

the class ModifyCourseEvent method archiveCourse.

/**
 * visit all nodes in the specified course and make them archiving any data
 * into the identity's export directory.
 *
 * @param res
 * @param charset
 * @param locale
 * @param identity
 */
public static void archiveCourse(Identity archiveOnBehalfOf, ICourse course, String charset, Locale locale, File exportDirectory, boolean isOLATAdmin, boolean... oresRights) {
    // archive course results overview
    List<Identity> users = ScoreAccountingHelper.loadUsers(course.getCourseEnvironment());
    List<AssessableCourseNode> nodes = ScoreAccountingHelper.loadAssessableNodes(course.getCourseEnvironment());
    String fileName = ExportUtil.createFileNameWithTimeStamp(course.getCourseTitle(), "zip");
    try (OutputStream out = new FileOutputStream(new File(exportDirectory, fileName));
        ZipOutputStream zout = new ZipOutputStream(out)) {
        ScoreAccountingHelper.createCourseResultsOverview(users, nodes, course, locale, zout);
    } catch (IOException e) {
        log.error("", e);
    }
    // archive all nodes content
    Visitor archiveV = new NodeArchiveVisitor(locale, course, exportDirectory, charset);
    TreeVisitor tv = new TreeVisitor(archiveV, course.getRunStructure().getRootNode(), true);
    tv.visitAll();
    // archive all course log files
    // OLATadmin gets all logfiles independent of the visibility configuration
    boolean isOresOwner = (oresRights.length > 0) ? oresRights[0] : false;
    boolean isOresInstitutionalManager = (oresRights.length > 1) ? oresRights[1] : false;
    boolean aLogV = isOresOwner || isOresInstitutionalManager || isOLATAdmin;
    boolean uLogV = isOLATAdmin;
    boolean sLogV = isOresOwner || isOresInstitutionalManager || isOLATAdmin;
    // make an intermediate commit here to make sure long running course log export doesn't
    // cause db connection timeout to be triggered
    // @TODO transactions/backgroundjob:
    // rework when backgroundjob infrastructure exists
    DBFactory.getInstance().intermediateCommit();
    AsyncExportManager.getInstance().asyncArchiveCourseLogFiles(archiveOnBehalfOf, new Runnable() {

        @Override
        public void run() {
        // that's fine, I dont need to do anything here
        }
    }, course.getResourceableId(), exportDirectory.getPath(), null, null, aLogV, uLogV, sLogV, charset, null, null);
    course.getCourseEnvironment().getCourseGroupManager().archiveCourseGroups(exportDirectory);
    CoreSpringFactory.getImpl(ChatLogHelper.class).archive(course, exportDirectory);
}

Example 2 with TreeVisitor

use of org.olat.core.util.tree.TreeVisitor 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 3 with TreeVisitor

use of org.olat.core.util.tree.TreeVisitor 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 4 with TreeVisitor

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

the class HomeCalendarManager method isCourseCalendarEnabled.

private boolean isCourseCalendarEnabled(ICourse course) {
    if (course.getCourseConfig().isCalendarEnabled()) {
        return true;
    }
    CourseNode rootNode = course.getRunStructure().getRootNode();
    CalCourseNodeVisitor v = new CalCourseNodeVisitor();
    new TreeVisitor(v, rootNode, true).visitAll();
    return v.isFound();
}

Example 5 with TreeVisitor

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

the class ForumArchiveManager method formatThread.

/**
 * @param mn
 * @param forumFormatter
 * @param metaInfo
 * @return
 */
private String formatThread(MessageNode mn, ForumFormatter forumFormatter, Long forumId) {
    forumFormatter.setForumKey(forumId);
    StringBuilder formattedThread = new StringBuilder();
    forumFormatter.openThread();
    TreeVisitor tv = new TreeVisitor(forumFormatter, mn, false);
    tv.visitAll();
    return formattedThread.append(formattedThread.append(forumFormatter.closeThread())).toString();
}