protected void handleAdd() {
    ElementListSelectionDialog dialog =
        new ElementListSelectionDialog(getShell(), new StyledBundleLabelProvider(false, false));

    try {
      dialog.setElements(getValidBundles());
    } catch (CoreException e) {
      dialog.setMessage(e.getMessage());
    }

    dialog.setTitle(PDEUIMessages.PluginSelectionDialog_title);
    dialog.setMessage(PDEUIMessages.PluginSelectionDialog_message);
    dialog.setMultipleSelection(true);
    if (dialog.open() == Window.OK) {

      Object[] models = dialog.getResult();
      ArrayList<NameVersionDescriptor> pluginsToAdd = new ArrayList<NameVersionDescriptor>();
      for (int i = 0; i < models.length; i++) {
        BundleInfo desc = ((BundleInfo) models[i]);
        pluginsToAdd.add(new NameVersionDescriptor(desc.getSymbolicName(), null));
      }
      Set<NameVersionDescriptor> allDependencies = new HashSet<NameVersionDescriptor>();
      allDependencies.addAll(pluginsToAdd);
      NameVersionDescriptor[] currentBundles = getTargetDefinition().getImplicitDependencies();
      if (currentBundles != null) {
        allDependencies.addAll(Arrays.asList(currentBundles));
      }
      getTargetDefinition()
          .setImplicitDependencies(
              allDependencies.toArray(new NameVersionDescriptor[allDependencies.size()]));
      fElementViewer.refresh();
      updateImpButtons();
    }
  }
    public Object[] getElements(Object inputElement) {
      if (inputElement instanceof ITargetDefinition) {
        List result = new ArrayList();

        // Check if there are any errors for missing features/bundles to display
        if (fMissing == null) {
          fMissing = new ArrayList();
        } else {
          fMissing.clear();
        }
        IResolvedBundle[] bundles = fTargetDefinition.getBundles();
        for (int i = 0; i < bundles.length; i++) {
          if (!bundles[i].getStatus().isOK()) {
            fMissing.add(bundles[i]);
            result.add(bundles[i]);
          }
        }

        if (fFeaureModeButton.getSelection()) {
          IFeatureModel[] features = fTargetDefinition.getAllFeatures();
          result.addAll(Arrays.asList(features));

          // Check if we need the other category
          if (((TargetDefinition) fTargetDefinition).getOtherBundles().length > 0) {
            result.add(OTHER_CATEGORY);
          }
        } else if (fGrouping == GROUP_BY_CONTAINER) {
          result.addAll(Arrays.asList(fTargetDefinition.getBundleContainers()));
        } else if (fGrouping == GROUP_BY_NONE) {
          // Missing bundles are already handled by adding to fMissing, avoid adding twice
          IResolvedBundle[] allBundles = fTargetDefinition.getAllBundles();
          for (int i = 0; i < allBundles.length; i++) {
            if (allBundles[i].getStatus().isOK()) {
              result.add(allBundles[i]);
            }
          }
        } else {
          result.addAll(Arrays.asList(getFileBundleMapping().keySet().toArray()));
        }

        return result.toArray();
      }
      return new Object[] {inputElement};
    }
 public void setFiles(String[] fileNames) {
   int size = Arrays.asList(fileNames).size();
   Vector iFileNames = new Vector();
   for (int i = 0; i < size; i++) {
     IResource resource = workspaceRoot.findMember(fileNames[i]);
     if (resource instanceof IFile) iFileNames.addElement(resource);
   }
   IFile[] dummyArray = new IFile[iFileNames.size()];
   this.fileNames = (IFile[]) (iFileNames.toArray(dummyArray));
 }
 private void handleRemove() {
   LinkedList<NameVersionDescriptor> bundles = new LinkedList<NameVersionDescriptor>();
   bundles.addAll(Arrays.asList(getTargetDefinition().getImplicitDependencies()));
   Object[] removeBundles = ((IStructuredSelection) fElementViewer.getSelection()).toArray();
   if (removeBundles.length > 0) {
     for (int i = 0; i < removeBundles.length; i++) {
       if (removeBundles[i] instanceof NameVersionDescriptor) {
         bundles.remove(removeBundles[i]);
       }
     }
     getTargetDefinition()
         .setImplicitDependencies(bundles.toArray((new NameVersionDescriptor[bundles.size()])));
     fElementViewer.refresh();
     updateImpButtons();
   }
 }