public Object[] getElements(Object inputElement) {
   // model = (ISite) inputElement;
   ArrayList<IWritable> result = new ArrayList<IWritable>();
   ISiteCategoryDefinition[] catDefs = fModel.getSite().getCategoryDefinitions();
   for (int i = 0; i < catDefs.length; i++) {
     result.add(catDefs[i]);
   }
   ISiteFeature[] features = fModel.getSite().getFeatures();
   for (int i = 0; i < features.length; i++) {
     if (features[i].getCategories().length == 0)
       result.add(new SiteFeatureAdapter(null, features[i]));
   }
   return result.toArray();
 }
 private ISiteFeature[] getFeaturesFromSelection(IStructuredSelection sel) {
   if (sel.isEmpty()) return new ISiteFeature[0];
   if (cachedSelection == sel) return cachedFeatures;
   cachedSelection = sel;
   ArrayList<ISiteFeature> features = new ArrayList<ISiteFeature>(sel.size());
   Iterator<?> iterator = sel.iterator();
   while (iterator.hasNext()) {
     Object next = iterator.next();
     if (next instanceof SiteFeatureAdapter) {
       if ((((SiteFeatureAdapter) next).feature) != null) {
         features.add(((SiteFeatureAdapter) next).feature);
       }
     }
   }
   cachedFeatures = features.toArray(new ISiteFeature[features.size()]);
   return cachedFeatures;
 }
 private void handleAddWorkingSet() {
   IWorkingSetManager manager = PlatformUI.getWorkbench().getWorkingSetManager();
   IWorkingSetSelectionDialog dialog =
       manager.createWorkingSetSelectionDialog(PDEPlugin.getActiveWorkbenchShell(), true);
   if (dialog.open() == Window.OK) {
     IWorkingSet[] workingSets = dialog.getSelection();
     IProduct product = getProduct();
     IProductModelFactory factory = product.getModel().getFactory();
     ArrayList<IProductPlugin> pluginList = new ArrayList<IProductPlugin>();
     for (int i = 0; i < workingSets.length; i++) {
       IAdaptable[] elements = workingSets[i].getElements();
       for (int j = 0; j < elements.length; j++) {
         IPluginModelBase model = findModel(elements[j]);
         if (model != null) {
           IProductPlugin plugin = factory.createPlugin();
           IPluginBase base = model.getPluginBase();
           plugin.setId(base.getId());
           pluginList.add(plugin);
         }
       }
     }
     product.addPlugins(pluginList.toArray(new IProductPlugin[pluginList.size()]));
   }
 }
  public static void handleAddRequired(IProductPlugin[] plugins, boolean includeOptional) {
    if (plugins.length == 0) return;

    ArrayList<BundleDescription> list = new ArrayList<BundleDescription>(plugins.length);
    for (int i = 0; i < plugins.length; i++) {
      list.add(TargetPlatformHelper.getState().getBundle(plugins[i].getId(), null));
    }
    DependencyCalculator calculator = new DependencyCalculator(includeOptional);
    calculator.findDependencies(list.toArray());

    BundleDescription[] bundles = TargetPlatformHelper.getState().getBundles();
    for (int i = 0; i < bundles.length; i++) {
      HostSpecification host = bundles[i].getHost();
      if (host != null
          && !("org.eclipse.ui.workbench.compatibility"
              .equals(bundles[i].getSymbolicName())) // $NON-NLS-1$
          && calculator.containsPluginId(host.getName())) {
        calculator.findDependency(bundles[i]);
      }
    }

    Collection<?> dependencies = calculator.getBundleIDs();

    IProduct product = plugins[0].getProduct();
    IProductModelFactory factory = product.getModel().getFactory();
    IProductPlugin[] requiredPlugins = new IProductPlugin[dependencies.size()];
    int i = 0;
    Iterator<?> iter = dependencies.iterator();
    while (iter.hasNext()) {
      String id = iter.next().toString();
      IProductPlugin plugin = factory.createPlugin();
      plugin.setId(id);
      requiredPlugins[i++] = plugin;
    }
    product.addPlugins(requiredPlugins);
  }