public String getNodeByUri(final String uri) {
if (StringHelper.containsNonWhitespace(uri)) {
final TreeNode node = ctm.lookupTreeNodeByHref(uri);
if (node != null) {
return node.getIdent();
}
}
return getInitialSelectedNodeId();
}
/**
* @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));
}
/**
* adjust the cp menu tree with the page selected with a link clicked in the content
*
* @param ureq
* @param newUri
*/
public void selectTreeNode(final UserRequest ureq, final String newUri) {
final TreeNode newNode = ctm.lookupTreeNodeByHref(newUri);
if (newNode != null) { // user clicked on a link which is listed in the
// toc
if (cpTree != null) {
cpTree.setSelectedNodeId(newNode.getIdent());
} else {
// for the case the tree is outside this controller (e.g. in the
// course), we fire an event with the chosen node)
fireEvent(ureq, new TreeNodeEvent(newNode));
}
}
ThreadLocalUserActivityLogger.log(
CourseLoggingAction.CP_GET_FILE, getClass(), LoggingResourceable.wrapCpNode(newUri));
}
/**
* @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);
}