Examples with CPItem org.olat.ims.cp.objects.CPItem used on opensource projects

Example 26 with CPItem

use of org.olat.ims.cp.objects.CPItem in project openolat by klemens.

the class CPCore method findReferencesToResource.

/**
 * Searches for <item>-elements or <dependency>-elements which references to
 * the resource with id "resourceIdentifier"
 *
 * if an element is found, search is aborted and the found element is returned
 *
 * @param resourceIdentifier
 * @return the found element or null
 */
public DefaultElement findReferencesToResource(String resourceIdentifier) {
    // search for <item identifierref="resourceIdentifier" >
    for (Iterator<CPOrganization> it = rootNode.getOrganizations().getOrganizationIterator(); it.hasNext(); ) {
        CPOrganization org = it.next();
        for (Iterator<CPItem> itO = org.getItems().iterator(); itO.hasNext(); ) {
            CPItem item = itO.next();
            CPItem found = _findReferencesToRes(item, resourceIdentifier);
            if (found != null)
                return found;
        }
    }
    // search for <dependency identifierref="resourceIdentifier" >
    for (Iterator<CPResource> itRes = rootNode.getResources().getResourceIterator(); itRes.hasNext(); ) {
        CPResource res = itRes.next();
        for (Iterator<CPDependency> itDep = res.getDependencyIterator(); itDep.hasNext(); ) {
            CPDependency dep = itDep.next();
            if (dep.getIdentifierRef().equals(resourceIdentifier))
                return dep;
        }
    }
    return null;
}

Example 27 with CPItem

use of org.olat.ims.cp.objects.CPItem in project openolat by klemens.

the class CPCore method getPageByItemID.

/**
 * Gets the linked page for the <item> element with given id if no resource
 * (page) is referenced, null is returned
 *
 * @param id
 * @return
 */
public String getPageByItemID(String id) {
    DefaultElement ele = getElementByIdentifier(id);
    if (ele instanceof CPItem) {
        CPItem item = (CPItem) ele;
        if (item.getIdentifierRef() == null || item.getIdentifierRef().equals("")) {
            return null;
        }
        DefaultElement resElement = getElementByIdentifier(item.getIdentifierRef());
        if (resElement instanceof CPResource) {
            CPResource res = (CPResource) resElement;
            return res.getFullHref();
        } else {
            Logger log = Logger.getLogger(this.getClass().getName());
            log.info("method: getPageByItemID(" + id + ") :  invalid manifest.. identifierred of <item> must point to a <resource>-element");
            return null;
        }
    } else {
        return null;
    }
}

Example 28 with CPItem

use of org.olat.ims.cp.objects.CPItem in project openolat by klemens.

the class CPTreeDataModel method addElementToPath.

/**
 * @param identifier
 * @param path
 * @param slash
 * @param elem
 */
private void addElementToPath(DefaultElement elem, StringBuffer path) {
    final String slash = "/";
    if (elem instanceof CPItem) {
        CPItem item = (CPItem) elem;
        path.insert(0, slash).insert(1, getNodeIDForIdentifier(item.getIdentifier()));
        DefaultElement parent = item.getParentElement();
        if (parent != null)
            addElementToPath(parent, path);
    } else if (elem instanceof CPOrganization) {
        CPOrganization item = (CPOrganization) elem;
        path.insert(0, slash).insert(1, getNodeIDForIdentifier(item.getIdentifier()));
    }
}

Example 29 with CPItem

use of org.olat.ims.cp.objects.CPItem in project openolat by klemens.

the class CPTreeDataModel method getChildrenFor.

public List<TreeNode> getChildrenFor(String nodeId) {
    List<TreeNode> nodeList = new ArrayList<TreeNode>();
    nodeId = getIdentifierForNodeID(nodeId);
    DefaultElement el = cp.getElementByIdentifier(nodeId);
    if (el == null) {
        log.info("element not found (id " + nodeId + ")");
        return nodeList;
    }
    try {
        if (el.getName().equals(CPCore.ORGANIZATION)) {
            CPOrganization org = (CPOrganization) el;
            for (Iterator<CPItem> it = org.getItemIterator(); it.hasNext(); ) {
                CPItem item = it.next();
                addItem(nodeList, item);
            }
        } else if (el.getName().equals(CPCore.ITEM)) {
            CPItem pItem = (CPItem) el;
            for (Iterator<CPItem> it = pItem.getItemIterator(); it.hasNext(); ) {
                CPItem item = it.next();
                addItem(nodeList, item);
            }
        } else {
            // element is not item nor orga -> ergo wrong element
            log.info("unknown element while building treemodel for gui (id: " + nodeId + ")");
        }
    } catch (JSONException e) {
        log.error("error while building treemodel");
    }
    return nodeList;
}

Example 30 with CPItem

use of org.olat.ims.cp.objects.CPItem in project openolat by klemens.

the class CPCore method removeElement.

/**
 * removes an element with identifier "identifier" from the manifest
 *
 * @param identifier the identifier if the element to remove
 * @param booleanFlag indicates whether to remove linked resources as well...!
 *          (needed for moving elements)
 */
public void removeElement(String identifier, boolean resourceFlag) {
    DefaultElement el = rootNode.getElementByIdentifier(identifier);
    if (el != null) {
        if (el instanceof CPItem) {
            // element is CPItem
            CPItem item = (CPItem) el;
            // first remove resources
            if (resourceFlag) {
                // Delete children (depth first search)
                removeChildElements(item, resourceFlag);
                // remove referenced resource
                CPResource res = (CPResource) rootNode.getElementByIdentifier(item.getIdentifierRef());
                if (res != null && referencesCount(res) == 1) {
                    res.removeFromManifest();
                }
            }
            // then remove item
            item.removeFromManifest();
        } else if (el instanceof CPOrganization) {
            // element is organization
            CPOrganization org = (CPOrganization) el;
            org.removeFromManifest(resourceFlag);
        } else if (el instanceof CPMetadata) {
            // element is <metadata>
            CPMetadata md = (CPMetadata) el;
            md.removeFromManifest();
        }
    } else {
        throw new OLATRuntimeException(CPOrganizations.class, "couldn't remove element with id \"" + identifier + "\"! Element not found in manifest ", new Exception());
    }
}