Examples with VFSItem org.olat.core.util.vfs.VFSItem used on opensource projects

Example 61 with VFSItem

use of org.olat.core.util.vfs.VFSItem in project OpenOLAT by OpenOLAT.

the class CPFileImportController method containsItemsToAdd.

/**
 * Breadth-first search for leafs inside the container that are to be added to
 * the tree.
 *
 * @param container
 * @param menuItemTypes
 * @return true if there is a leaf inside container that should be added
 */
private boolean containsItemsToAdd(VFSContainer container, Collection<String> menuItemTypes) {
    LinkedList<VFSItem> queue = new LinkedList<VFSItem>();
    // enqueue root node
    queue.add(container);
    do {
        // dequeue and exmaine
        VFSItem item = queue.poll();
        if (item instanceof VFSLeaf) {
            if (isToBeAdded((VFSLeaf) item, menuItemTypes)) {
                // node found, return
                return true;
            }
        } else {
            // enqueue successors
            VFSContainer parent = (VFSContainer) item;
            queue.addAll(parent.getItems());
        }
    } while (!queue.isEmpty());
    return false;
}

Example 62 with VFSItem

use of org.olat.core.util.vfs.VFSItem in project OpenOLAT by OpenOLAT.

the class GuiDemoFileChooserController method event.

/**
 * @see org.olat.core.gui.control.DefaultController#event(org.olat.core.gui.UserRequest, org.olat.core.gui.control.Controller, org.olat.core.gui.control.Event)
 */
protected void event(UserRequest ureq, Controller source, Event event) {
    if (source == chooserCtr) {
        // catch the events from the file chooser controller here
        if (event instanceof FileChoosenEvent) {
            // User pressed select button, get selected item from controller
            VFSItem selectedItem = FileChooserUIFactory.getSelectedItem((FileChoosenEvent) event);
            // for this demo just get file path and display an info message
            LocalImpl localFile = (LocalImpl) selectedItem;
            String absPath = localFile.getBasefile().getAbsolutePath();
            String relPath = absPath.substring(webappRootFile.getAbsolutePath().length());
            getWindowControl().setInfo("user selected /static" + relPath);
        } else if (event == Event.CANCELLED_EVENT) {
            // user pressed cancel
            getWindowControl().setInfo("user cancelled");
        } else if (event == Event.FAILED_EVENT) {
            // selection failed for unknown reason
            getWindowControl().setError("Ups, an error occured");
        }
    }
}

Example 63 with VFSItem

use of org.olat.core.util.vfs.VFSItem in project OpenOLAT by OpenOLAT.

the class WikiMainController method updateFileAndLinkList.

private void updateFileAndLinkList(Wiki wiki) {
    List<VFSItem> mediaFiles = wiki.getMediaFileList();
    Collections.sort(mediaFiles, new WikiFileComparator(getLocale()));
    editContent.contextPut("fileList", mediaFiles);
    List<String> allPages = wiki.getListOfAllPageNames();
    Collections.sort(allPages, new WikiPageNameComparator(getLocale()));
    editContent.contextPut("linkList", allPages);
}

Example 64 with VFSItem

use of org.olat.core.util.vfs.VFSItem in project OpenOLAT by OpenOLAT.

the class WikiToCPResource method wikiToCP.

private void wikiToCP(Wiki wiki, ZipOutputStream zout) throws IOException {
    WikiToCPExport export = new WikiToCPExport(ores, translator);
    // create the ims manifest
    String manifest = export.createIMSManifest(wiki, identity);
    zout.putNextEntry(new ZipEntry("imsmanifest.xml"));
    IOUtils.write(manifest, zout, "UTF-8");
    zout.closeEntry();
    VFSContainer mediaContainer = WikiManager.getInstance().getMediaFolder(ores);
    List<VFSItem> images = mediaContainer.getItems();
    for (VFSItem image : images) {
        ZipUtil.addToZip(image, "", zout);
    }
    // create the javascript mapping file
    String jsContent = export.createJsMappingContent(wiki);
    zout.putNextEntry(new ZipEntry("mapping.js"));
    IOUtils.write(jsContent, zout, "UTF-8");
    zout.closeEntry();
    List<WikiPage> pages = wiki.getAllPagesWithContent(true);
    for (WikiPage page : pages) {
        String htmlPage = export.wikiPageToHtml(page);
        zout.putNextEntry(new ZipEntry(page.getPageId() + ".html"));
        IOUtils.write(htmlPage, zout, "UTF-8");
        zout.closeEntry();
    }
    WikiPage index = wiki.getPage(WikiPage.WIKI_INDEX_PAGE, true);
    String indexSrc = index.getPageId() + ".html";
    CPOfflineReadableManager.getInstance().makeCPOfflineReadable(manifest, indexSrc, zout);
}

Example 65 with VFSItem

use of org.olat.core.util.vfs.VFSItem in project OpenOLAT by OpenOLAT.

the class WikiManager method saveWikiPage.

/**
 * persists a wiki page on the filesystem. It moves the recent page and the
 * metadata to the versions folder with the version on the tail and saves new
 * page with metadata to the wiki folder. Does not need to be synchronized as
 * editing is locked on page level by the
 *
 * @see WikiMainController
 * @param ores
 * @param page
 */
public void saveWikiPage(OLATResourceable ores, WikiPage page, boolean incrementVersion, Wiki wiki) {
    // cluster_OK by guido
    VFSContainer versionsContainer = getWikiContainer(ores, VERSION_FOLDER_NAME);
    VFSContainer wikiContentContainer = getWikiContainer(ores, WIKI_RESOURCE_FOLDER_NAME);
    // rename existing content file to version x and copy it to the version
    // container
    VFSItem item = wikiContentContainer.resolve(page.getPageId() + "." + WIKI_FILE_SUFFIX);
    if (item != null && incrementVersion) {
        if (page.getVersion() > 0) {
            versionsContainer.copyFrom(item);
            VFSItem copiedItem = versionsContainer.resolve(page.getPageId() + "." + WIKI_FILE_SUFFIX);
            String fileName = page.getPageId() + "." + WIKI_FILE_SUFFIX + "-" + page.getVersion();
            copiedItem.rename(fileName);
        }
        item.delete();
    }
    // rename existing meta file to version x and copy it to the version
    // container
    item = wikiContentContainer.resolve(page.getPageId() + "." + WIKI_PROPERTIES_SUFFIX);
    if (item != null && incrementVersion) {
        // TODO renaming and coping does not work. Bug?? felix fragen
        if (page.getVersion() > 0) {
            versionsContainer.copyFrom(item);
            VFSItem copiedItem = versionsContainer.resolve(page.getPageId() + "." + WIKI_PROPERTIES_SUFFIX);
            String fileName = page.getPageId() + "." + WIKI_PROPERTIES_SUFFIX + "-" + page.getVersion();
            copiedItem.rename(fileName);
        }
        item.delete();
    }
    // store recent content file
    VFSLeaf leaf = wikiContentContainer.createChildLeaf(page.getPageId() + "." + WIKI_FILE_SUFFIX);
    if (leaf == null)
        throw new AssertException("Tried to save wiki page with id (" + page.getPageId() + ") and Olatresource: " + ores.getResourceableId() + " but page already existed!");
    FileUtils.save(leaf.getOutputStream(false), page.getContent(), "utf-8");
    // store recent properties file
    leaf = wikiContentContainer.createChildLeaf(page.getPageId() + "." + WIKI_PROPERTIES_SUFFIX);
    if (leaf == null)
        throw new AssertException("could not create file for wiki page " + page.getPageId() + ", ores: " + ores.getResourceableTypeName() + ":" + ores.getResourceableId() + ", wikicontainer:" + wikiContentContainer);
    if (incrementVersion)
        page.incrementVersion();
    // update modification time
    if (!page.getContent().equals(""))
        page.setModificationTime(System.currentTimeMillis());
    Properties p = getPageProperties(page);
    try {
        OutputStream os = leaf.getOutputStream(false);
        p.store(os, "wiki page meta properties");
        os.close();
    // if (incrementVersion) page.incrementVersion();
    } catch (IOException e) {
        throw new OLATRuntimeException(WikiManager.class, "failed to save wiki page properties for page with id: " + page.getPageId() + " and olatresource: " + ores.getResourceableId(), e);
    }
    // reset view count of the page
    page.setViewCount(0);
    // update cache to inform all nodes about the change
    if (wikiCache != null) {
        wikiCache.update(OresHelper.createStringRepresenting(ores), wiki);
    }
    if (ThreadLocalUserActivityLogger.getLoggedIdentity() != null) {
        // do logging only for real user
        ThreadLocalUserActivityLogger.log(LearningResourceLoggingAction.LEARNING_RESOURCE_UPDATE, getClass());
    }
}