Exemplo n.º 1
0
  private void init(final UserRequest ureq) {
    startButton = LinkFactory.createButton("start", myContent, this);
    // fetch disclaimer file
    String sDisclaimer = (String) modConfig.get(IQEditController.CONFIG_KEY_DISCLAIMER);
    if (sDisclaimer != null) {
      VFSContainer baseContainer = userCourseEnv.getCourseEnvironment().getCourseFolderContainer();
      final int lastSlash = sDisclaimer.lastIndexOf('/');
      if (lastSlash != -1) {
        baseContainer = (VFSContainer) baseContainer.resolve(sDisclaimer.substring(0, lastSlash));
        sDisclaimer = sDisclaimer.substring(lastSlash);
        // first check if disclaimer exists on filesystem
        if (baseContainer == null || baseContainer.resolve(sDisclaimer) == null) {
          showWarning("disclaimer.file.invalid", sDisclaimer);
        } else {
          // screenreader do not like iframes, display inline
          if (getWindowControl().getWindowBackOffice().getWindowManager().isForScreenReader()) {
            final HtmlStaticPageComponent disclaimerComp =
                new HtmlStaticPageComponent("disc", baseContainer);
            myContent.put("disc", disclaimerComp);
            disclaimerComp.setCurrentURI(sDisclaimer);
            myContent.contextPut("hasDisc", Boolean.TRUE);
          } else {
            iFrameCtr = new IFrameDisplayController(ureq, getWindowControl(), baseContainer);
            listenTo(iFrameCtr); // dispose automatically
            myContent.put("disc", iFrameCtr.getInitialComponent());
            iFrameCtr.setCurrentURI(sDisclaimer);
            myContent.contextPut("hasDisc", Boolean.TRUE);
          }
        }
      }
    }

    // push title and learning objectives, only visible on intro page
    myContent.contextPut("menuTitle", courseNode.getShortTitle());
    myContent.contextPut("displayTitle", courseNode.getLongTitle());

    // Adding learning objectives
    final String learningObj = courseNode.getLearningObjectives();
    if (learningObj != null) {
      final Component learningObjectives =
          ObjectivesHelper.createLearningObjectivesComponent(learningObj, ureq);
      myContent.put("learningObjectives", learningObjectives);
      myContent.contextPut("hasObjectives", learningObj); // dummy value, just an exists operator
    }

    if (type.equals(AssessmentInstance.QMD_ENTRY_TYPE_ASSESS)) {
      checkChats(ureq);
      singleUserEventCenter.registerFor(this, getIdentity(), chatEventOres);
    }
  }
Exemplo n.º 2
0
 public void buildDocument() {
   final File unzippedRoot = fileresourceManager.unzipFileResource(resourceable);
   // with VFS FIXME:pb:c: remove casts to LocalFileImpl and LocalFolderImpl if no longer needed.
   final VFSContainer vfsUnzippedRoot = new LocalFolderImpl(unzippedRoot);
   final VFSItem vfsQTI = vfsUnzippedRoot.resolve("qti.xml");
   // getDocument(..) ensures that InputStream is closed in every case.
   document = QTIHelper.getDocument((LocalFileImpl) vfsQTI);
 }
Exemplo n.º 3
0
  /**
   * @param ureq
   * @param te
   */
  public void switchToPage(final UserRequest ureq, final TreeEvent te) {
    // all treeevents receiced here are event clicked only
    // if (!te.getCommand().equals(TreeEvent.COMMAND_TREENODE_CLICKED)) throw
    // new AssertException("error");

    // switch to the new page
    final String nodeId = te.getNodeId();
    final TreeNode tn = ctm.getNodeById(nodeId);
    final String identifierRes = (String) tn.getUserObject();

    // security check
    if (identifierRes.indexOf("../") != -1) {
      throw new AssertException(
          "a non-normalized url encountered in a manifest item:" + identifierRes);
    }

    // Check if path ends with .html, .htm or .xhtml. We do this by searching for "htm"
    // and accept positions of this string at length-3 or length-4
    // Check also for XML resources that use XSLT for rendering
    if (identifierRes.toLowerCase().lastIndexOf(FILE_SUFFIX_HTM) >= (identifierRes.length() - 4)
        || identifierRes.toLowerCase().endsWith(FILE_SUFFIX_XML)) {
      // display html files inline or in an iframe
      if (cpContentCtr != null) {
        cpContentCtr.setCurrentURI(identifierRes);
      }
      if (cpComponent != null) {
        cpComponent.setCurrentURI(identifierRes);
      }

    } else {
      // Also display pdf and other files in the iframe if it has been
      // initialized. Delegates displaying to the browser (and its plugins).
      if (cpContentCtr != null) {
        cpContentCtr.setCurrentURI(identifierRes);
      } else {
        // if an entry in a manifest points e.g. to a pdf file and the iframe
        // controller has not been initialized display it non-inline
        final VFSItem currentItem = rootContainer.resolve(identifierRes);
        MediaResource mr;
        if (currentItem == null || !(currentItem instanceof VFSLeaf)) {
          mr = new NotFoundMediaResource(identifierRes);
        } else {
          mr = new VFSMediaResource((VFSLeaf) currentItem);
        }
        ureq.getDispatchResult().setResultingMediaResource(mr);
        // Prevent 'don't reload' warning
        cpTree.setDirty(false);
      }
    }
    ThreadLocalUserActivityLogger.log(
        CourseLoggingAction.CP_GET_FILE, getClass(), LoggingResourceable.wrapCpNode(identifierRes));
  }
Exemplo n.º 4
0
  /**
   * @param ureq
   * @param cpRoot
   * @param showMenu
   * @param activateFirstPage
   */
  CPDisplayController(
      final UserRequest ureq,
      final WindowControl wControl,
      final VFSContainer rootContainer,
      final boolean showMenu,
      final boolean activateFirstPage,
      final String initialUri,
      final OLATResourceable ores) {
    super(ureq, wControl);
    this.rootContainer = rootContainer;

    // wrapper velocity container for page content
    this.myContent = createVelocityContainer("cpDisplay");
    // the cp component, added to the velocity

    if (!ureq.getUserSession().getRoles().isGuestOnly()) {
      final SearchServiceUIFactory searchServiceUIFactory =
          (SearchServiceUIFactory) CoreSpringFactory.getBean(SearchServiceUIFactory.class);
      searchCtrl =
          searchServiceUIFactory.createInputController(ureq, wControl, DisplayOption.BUTTON, null);
      myContent.put("search_input", searchCtrl.getInitialComponent());
    }

    // TODO:gs:a
    // may add an additional config for disabling, enabling IFrame style or not in CP mode
    // but always disable IFrame display when in screenreader mode (no matter whether style gets
    // ugly)
    if (getWindowControl().getWindowBackOffice().getWindowManager().isForScreenReader()) {
      cpComponent = new HtmlStaticPageComponent("", rootContainer);
      cpComponent.addListener(this);
      myContent.put("cpContent", cpComponent);
    } else {
      cpContentCtr =
          new IFrameDisplayController(ureq, getWindowControl(), rootContainer, null, ores);
      cpContentCtr.setAllowDownload(true);
      listenTo(cpContentCtr);
      myContent.put("cpContent", cpContentCtr.getInitialComponent());
    }

    // even if we do not show the menu, we need to build parse the manifest and
    // find the first node to display at startup
    final VFSItem mani = rootContainer.resolve("imsmanifest.xml");
    if (mani == null || !(mani instanceof VFSLeaf)) {
      throw new OLATRuntimeException(
          "error.manifest.missing",
          null,
          this.getClass().getPackage().getName(),
          "CP " + rootContainer + " has no imsmanifest",
          null);
    }
    // initialize tree model in any case
    ctm = new CPManifestTreeModel((VFSLeaf) mani);

    if (showMenu) {
      // the menu is only initialized when needed.
      cpTree = new MenuTree("cpDisplayTree");
      cpTree.setTreeModel(ctm);
      cpTree.addListener(this);
    }

    LoggingResourceable nodeInfo = null;
    if (activateFirstPage) {
      // set content to first accessible child or root node if no children
      // available
      TreeNode node = ctm.getRootNode();
      if (node == null) {
        throw new OLATRuntimeException(
            CPDisplayController.class,
            "root node of content packaging was null, file:" + rootContainer,
            null);
      }
      while (node != null && !node.isAccessible()) {
        if (node.getChildCount() > 0) {
          node = (TreeNode) node.getChildAt(0);
        } else {
          node = null;
        }
      }
      if (node != null) { // node.isAccessible
        final String nodeUri = (String) node.getUserObject();
        if (cpContentCtr != null) {
          cpContentCtr.setCurrentURI(nodeUri);
        }
        if (cpComponent != null) {
          cpComponent.setCurrentURI(nodeUri);
        }
        if (showMenu) {
          cpTree.setSelectedNodeId(node.getIdent());
        }
        // activate the selected node in the menu (skips the root node that is
        // empty anyway and saves one user click)
        selNodeId = node.getIdent();

        nodeInfo = LoggingResourceable.wrapCpNode(nodeUri);
      }
    } else if (initialUri != null) {
      // set page
      if (cpContentCtr != null) {
        cpContentCtr.setCurrentURI(initialUri);
      }
      if (cpComponent != null) {
        cpComponent.setCurrentURI(initialUri);
      }
      // update menu
      final TreeNode newNode = ctm.lookupTreeNodeByHref(initialUri);
      if (newNode != null) { // user clicked on a link which is listed in the
        // toc
        if (cpTree != null) {
          cpTree.setSelectedNodeId(newNode.getIdent());
        } else {
          selNodeId = newNode.getIdent();
        }
      }
      nodeInfo = LoggingResourceable.wrapCpNode(initialUri);
    }
    // Note: the ores has a typename of ICourse - see
    // CPCourseNode.createNodeRunConstructorResult
    // which has the following line:
    // OresHelper.createOLATResourceableInstance(ICourse.class,
    // userCourseEnv.getCourseEnvironment().getCourseResourceableId());
    // therefore we use OresHelper.calculateTypeName(ICourse.class) here
    if (ores != null
        && nodeInfo != null
        && !OresHelper.calculateTypeName(ICourse.class).equals(ores.getResourceableTypeName())) {
      addLoggingResourceable(LoggingResourceable.wrap(ores, OlatResourceableType.cp));
      ThreadLocalUserActivityLogger.log(
          LearningResourceLoggingAction.LEARNING_RESOURCE_OPEN, getClass(), nodeInfo);
    }

    putInitialPanel(myContent);
  }
  /**
   * @param ureq
   * @param wControl
   * @param rootDir The VFS root directory from which the linkable files should be read
   * @param uploadRelPath The relative path within the rootDir where uploaded files should be put
   *     into. If NULL, the root Dir is used
   * @param suffixes Array of allowed file types
   * @param fileName the path of the file currently edited (in order to compute the correct relative
   *     paths for links), e.g. bla/blu.html or index.html
   */
  public FileLinkChooserController(
      UserRequest ureq,
      WindowControl wControl,
      VFSContainer rootDir,
      String uploadRelPath,
      String[] suffixes,
      String fileName) {
    super(ureq, wControl);
    this.fileName = fileName;
    this.suffixes = suffixes;
    this.rootDir = rootDir;
    this.mainVC = createVelocityContainer("filechooser");

    // file uploads are relative to the currently edited file
    String[] dirs = this.fileName.split("/");
    VFSContainer fileUploadBase = rootDir;
    for (String subPath : dirs) {
      // try to resolve the given file path in the root container
      VFSItem subFolder = fileUploadBase.resolve(subPath);
      if (subFolder != null) {
        if (subFolder instanceof VFSContainer) {
          // a higher level found, use this one unless a better one is found
          fileUploadBase = (VFSContainer) subFolder;
        } else {
          // it is not a container - leaf reached
          break;
        }
      } else {
        // resolving was not possible??? stop here
        break;
      }
    }
    // create directory filter combined with suffix filter
    String[] dirFilters = {"_courseelementdata"};
    VFSItemFilter customFilter = null;
    VFSItemFilter dirFilter = new VFSItemExcludePrefixFilter(dirFilters);
    if (suffixes != null) {
      VFSItemFileTypeFilter typeFilter = new VFSItemFileTypeFilter(suffixes);
      typeFilter.setCompositeFilter(dirFilter);
      customFilter = typeFilter;
    } else {
      customFilter = dirFilter;
    }
    // hide file chooser title, we have our own title
    fileChooserController =
        FileChooserUIFactory.createFileChooserControllerWithoutTitle(
            ureq, getWindowControl(), rootDir, customFilter, true);
    listenTo(fileChooserController);
    mainVC.put("stTree", fileChooserController.getInitialComponent());

    // convert file endings to mime types as needed by file upload controller
    Set<String> mimeTypes = null;
    if (suffixes != null) {
      mimeTypes = new HashSet<String>();
      for (String suffix : suffixes) {
        String mimeType = WebappHelper.getMimeType("dummy." + suffix);
        if (mimeType != null) {
          if (!mimeTypes.contains(mimeType)) mimeTypes.add(mimeType);
        }
      }
    }
    uploadCtr =
        new FileUploadController(
            wControl,
            fileUploadBase,
            ureq,
            (int) FolderConfig.getLimitULKB(),
            Quota.UNLIMITED,
            mimeTypes,
            true);
    listenTo(uploadCtr);
    // set specific upload path
    uploadCtr.setUploadRelPath(uploadRelPath);

    mainVC.put("uploader", uploadCtr.getInitialComponent());

    putInitialPanel(mainVC);
  }