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);
}
}
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);
}
/**
* @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));
}
/**
* @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);
}