Examples with IContainerObject org.knime.workbench.repository.model.IContainerObject used on opensource projects

Example 6 with IContainerObject

use of org.knime.workbench.repository.model.IContainerObject in project knime-core by knime.

the class AbstractRepositoryView method enrichWithAdditionalInfo.

/**
 * This methods recursively retrieves and enriches the repository objects with additional information,
 * e.g. number of ports, whether the node is streamable and/or distributable, etc.
 * Should be called only after the repository content was already loaded with {@link #readRepository(Composite, IProgressMonitor)}.
 */
protected void enrichWithAdditionalInfo(final IRepositoryObject parent, final IProgressMonitor monitor, final boolean updateTreeStructure) {
    if (monitor.isCanceled()) {
        return;
    }
    if (!m_additionalInfoAvailable) {
        if (parent instanceof IContainerObject) {
            IRepositoryObject[] children = ((IContainerObject) parent).getChildren();
            for (IRepositoryObject child : children) {
                enrichWithAdditionalInfo(child, monitor, updateTreeStructure);
            }
        } else if (parent instanceof NodeTemplate) {
            NodeTemplate nodeTemplate = (NodeTemplate) parent;
            try {
                NodeFactory<? extends NodeModel> nf = nodeTemplate.createFactoryInstance();
                NodeModel nm = nf.createNodeModel();
                // check whether the current node model overrides the #createStreamableOperator-method
                Method m = nm.getClass().getMethod("createStreamableOperator", PartitionInfo.class, PortObjectSpec[].class);
                if (m.getDeclaringClass() != NodeModel.class) {
                    // method has been overriden -> node is probably streamable or distributable
                    nodeTemplate.addAdditionalInfo(KEY_INFO_STREAMABLE, "streamable");
                }
            // possible TODO: parse xml description and get some more additional information (e.g. short description, ...)
            // nodeTemplate.addAdditionalInfo(KEY_INFO_SHORT_DESCRIPTION,
            // "this could be the short description, number of ports etc.");
            } catch (Throwable t) {
                LOGGER.error("Unable to instantiate the node " + nodeTemplate.getFactory().getName(), t);
                return;
            }
            if (!updateTreeStructure) {
                Display.getDefault().asyncExec(new Runnable() {

                    @Override
                    public void run() {
                        if (!m_viewer.getControl().isDisposed()) {
                            m_viewer.update(parent, null);
                        }
                    }
                });
            } else {
                Display.getDefault().asyncExec(new Runnable() {

                    @Override
                    public void run() {
                        if (!m_viewer.getControl().isDisposed()) {
                            m_viewer.update(parent, null);
                            TreeViewerUpdater.update(m_viewer, true, false);
                        }
                    }
                });
            }
        }
    }
}

Example 7 with IContainerObject

use of org.knime.workbench.repository.model.IContainerObject in project knime-core by knime.

the class RepositoryFactory method createCategory.

/**
 * Creates a new category object. Throws an exception, if this fails
 *
 * @param root The root to insert the category in
 * @param element Configuration element from the contributing plugin
 * @return Category object to be used within the repository.
 * @throws IllegalArgumentException If the element is not compatible (e.g.
 *             wrong attributes)
 */
public static Category createCategory(final Root root, final IConfigurationElement element) {
    String id = element.getAttribute("level-id");
    // get the id of the contributing plugin
    String pluginID = element.getDeclaringExtension().getNamespaceIdentifier();
    boolean locked = Boolean.parseBoolean(element.getAttribute("locked")) || ((element.getAttribute("locked") == null) && pluginID.matches("^(?:org|com)\\.knime\\..+"));
    Category cat = new Category(id, str(element.getAttribute("name"), "!name is missing!"), pluginID, locked);
    cat.setDescription(str(element.getAttribute("description"), ""));
    cat.setAfterID(str(element.getAttribute("after"), ""));
    String path = str(element.getAttribute("path"), "/");
    cat.setPath(path);
    if (!Boolean.getBoolean("java.awt.headless")) {
        String iconPath = element.getAttribute("icon");
        Image img;
        if (iconPath == null) {
            img = ImageRepository.getIconImage(SharedImages.DefaultCategoryIcon);
        } else {
            img = ImageRepository.getIconImage(pluginID, iconPath);
            if (img == null) {
                LOGGER.coding("Icon '" + element.getAttribute("icon") + "' for category " + cat.getPath() + "/" + cat.getName() + " does not exist");
                img = ImageRepository.getIconImage(SharedImages.DefaultCategoryIcon);
            }
        }
        cat.setIcon(img);
    }
    // 
    if (path.startsWith("/")) {
        path = path.substring(1);
    }
    // split the path
    String[] segments = path.split("/");
    // start at root
    IContainerObject container = root;
    for (int i = 0; i < segments.length; i++) {
        IRepositoryObject obj = container.getChildByID(segments[i], false);
        if (obj == null) {
            throw new IllegalArgumentException("The segment '" + segments[i] + "' in path '" + path + "' does not exist!");
        }
        // continue at this level
        container = (IContainerObject) obj;
    }
    String parentPluginId = container.getContributingPlugin();
    if (parentPluginId == null) {
        parentPluginId = "";
    }
    int secondDotIndex = pluginID.indexOf('.', pluginID.indexOf('.') + 1);
    if (secondDotIndex == -1) {
        secondDotIndex = 0;
    }
    if (!container.isLocked() || pluginID.equals(parentPluginId) || pluginID.startsWith("org.knime.") || pluginID.startsWith("com.knime.") || pluginID.regionMatches(0, parentPluginId, 0, secondDotIndex)) {
        // container not locked, or both categories from same plug-in
        // or the vendor is the same (comparing the first two parts of the plug-in ids)
        container.addChild(cat);
    } else {
        LOGGER.error("Locked parent category for category " + cat.getID() + ": " + cat.getPath() + ". Category will NOT be added!");
    }
    return cat;
}

Example 8 with IContainerObject

use of org.knime.workbench.repository.model.IContainerObject in project knime-core by knime.

the class RepositoryFactory method createNodeSet.

/**
 * Creates the set of dynamic node templates.
 *
 * @param root the root to add the missing categories in
 * @param element from the extension points
 * @return the created dynamic node templates
 */
public static Collection<DynamicNodeTemplate> createNodeSet(final Root root, final IConfigurationElement element) {
    String iconPath = element.getAttribute("default-category-icon");
    // Try to load the node set factory class...
    NodeSetFactory nodeSet;
    // this ensures that the class is loaded by the correct eclipse
    // classloaders
    GlobalClassCreator.lock.lock();
    try {
        nodeSet = (NodeSetFactory) element.createExecutableExtension("factory-class");
    } catch (Throwable e) {
        throw new IllegalArgumentException("Can't load factory class for node: " + element.getAttribute("factory-class"), e);
    } finally {
        GlobalClassCreator.lock.unlock();
    }
    Collection<DynamicNodeTemplate> dynamicNodeTemplates = new ArrayList<DynamicNodeTemplate>();
    // for all nodes in the node set
    for (String factoryId : nodeSet.getNodeFactoryIds()) {
        @SuppressWarnings("unchecked") Class<NodeFactory<? extends NodeModel>> factoryClass = (Class<NodeFactory<? extends NodeModel>>) nodeSet.getNodeFactory(factoryId);
        // Try to load the node factory class...
        NodeFactory<? extends NodeModel> factory;
        // this ensures that the class is loaded by the correct eclipse
        // classloaders
        GlobalClassCreator.lock.lock();
        try {
            factory = DynamicNodeTemplate.createFactoryInstance(factoryClass, nodeSet, factoryId);
        } catch (Throwable e) {
            throw new IllegalArgumentException("Can't load factory class for node: " + factoryClass.getName() + "-" + factoryId, e);
        } finally {
            GlobalClassCreator.lock.unlock();
        }
        // DynamicNodeFactory implementations can set deprecation independently from extension
        if (factory.isDeprecated()) {
            continue;
        }
        DynamicNodeTemplate node = new DynamicNodeTemplate(factoryClass, factoryId, nodeSet, factory.getNodeName());
        node.setAfterID(nodeSet.getAfterID(factoryId));
        if (!Boolean.getBoolean("java.awt.headless")) {
            Image icon = ImageRepository.getIconImage(factory);
            node.setIcon(icon);
        }
        node.setCategoryPath(nodeSet.getCategoryPath(factoryId));
        dynamicNodeTemplates.add(node);
        String pluginID = element.getDeclaringExtension().getNamespaceIdentifier();
        // 
        // Insert in proper location, create all categories on
        // the path
        // if not already there
        // 
        String path = node.getCategoryPath();
        if (path.startsWith("/")) {
            path = path.substring(1);
        }
        // split the path
        String[] segments = path.split("/");
        // start at root
        IContainerObject container = root;
        String currentPath = "";
        for (int i = 0; i < segments.length; i++) {
            IRepositoryObject obj = container.getChildByID(segments[i], false);
            currentPath += segments[i];
            if (obj == null) {
                Category cat = createCategory(pluginID, segments[i], "", segments[i], "", iconPath, currentPath);
                // append the newly created category to the container
                container.addChild(cat);
                obj = cat;
            }
            currentPath += "/";
            // continue at this level
            container = (IContainerObject) obj;
        }
    }
    return dynamicNodeTemplates;
}