private void handleAdd() {
   ElementListSelectionDialog dialog =
       new ElementListSelectionDialog(
           PDEPlugin.getActiveWorkbenchShell(), PDEPlugin.getDefault().getLabelProvider());
   dialog.setElements(getBundles());
   dialog.setTitle(PDEUIMessages.PluginSelectionDialog_title);
   dialog.setMessage(PDEUIMessages.PluginSelectionDialog_message);
   dialog.setMultipleSelection(true);
   if (dialog.open() == Window.OK) {
     Object[] bundles = dialog.getResult();
     for (int i = 0; i < bundles.length; i++) {
       BundleDescription desc = (BundleDescription) bundles[i];
       addPlugin(desc.getSymbolicName(), "0.0.0"); // $NON-NLS-1$
       // addPlugin(desc.getSymbolicName(), desc.getVersion().toString());
     }
   }
 }
  /* (non-Javadoc)
   * @see org.eclipse.pde.internal.ui.editor.PDESection#createClient(org.eclipse.ui.forms.widgets.Section, org.eclipse.ui.forms.widgets.FormToolkit)
   */
  protected void createClient(Section section, FormToolkit toolkit) {

    section.setLayout(FormLayoutFactory.createClearGridLayout(false, 1));
    GridData sectionData = new GridData(GridData.FILL_BOTH);
    sectionData.verticalSpan = 2;
    section.setLayoutData(sectionData);

    Composite container = createClientContainer(section, 2, toolkit);
    createViewerPartControl(container, SWT.MULTI, 2, toolkit);
    container.setLayoutData(new GridData(GridData.FILL_BOTH));

    createOptionalDependenciesButton(container);

    TablePart tablePart = getTablePart();
    fPluginTable = tablePart.getTableViewer();
    fPluginTable.setContentProvider(new ContentProvider());
    fPluginTable.setLabelProvider(PDEPlugin.getDefault().getLabelProvider());
    fPluginTable.setComparator(
        new ViewerComparator() {
          public int compare(Viewer viewer, Object e1, Object e2) {
            IProductPlugin p1 = (IProductPlugin) e1;
            IProductPlugin p2 = (IProductPlugin) e2;
            return super.compare(viewer, p1.getId(), p2.getId());
          }
        });
    GridData data = (GridData) tablePart.getControl().getLayoutData();
    data.minimumWidth = 200;
    fPluginTable.setInput(getProduct());

    tablePart.setButtonEnabled(0, isEditable());
    tablePart.setButtonEnabled(1, isEditable());
    tablePart.setButtonEnabled(2, isEditable());

    // remove buttons will be updated on refresh

    tablePart.setButtonEnabled(5, isEditable());

    toolkit.paintBordersFor(container);
    section.setClient(container);

    section.setText(PDEUIMessages.Product_PluginSection_title);
    section.setDescription(PDEUIMessages.Product_PluginSection_desc);
    getModel().addModelChangedListener(this);
    createSectionToolbar(section, toolkit);
  }
  @Override
  protected void createClient(Section section, FormToolkit toolkit) {
    section.setText(PDEUIMessages.ExportPackageSection_title);
    if (isFragment()) section.setDescription(PDEUIMessages.ExportPackageSection_descFragment);
    else section.setDescription(PDEUIMessages.ExportPackageSection_desc);

    Composite container = createClientContainer(section, 2, toolkit);
    createViewerPartControl(container, SWT.MULTI, 2, toolkit);
    TablePart tablePart = getTablePart();
    fPackageViewer = tablePart.getTableViewer();
    fPackageViewer.setContentProvider(new ExportPackageContentProvider());
    fPackageViewer.setLabelProvider(PDEPlugin.getDefault().getLabelProvider());
    fPackageViewer.setComparator(
        new ViewerComparator() {
          @Override
          public int compare(Viewer viewer, Object e1, Object e2) {
            String s1 = e1.toString();
            String s2 = e2.toString();
            if (s1.indexOf(" ") != -1) // $NON-NLS-1$
            s1 = s1.substring(0, s1.indexOf(" ")); // $NON-NLS-1$
            if (s2.indexOf(" ") != -1) // $NON-NLS-1$
            s2 = s2.substring(0, s2.indexOf(" ")); // $NON-NLS-1$
            return super.compare(viewer, s1, s2);
          }
        });
    toolkit.paintBordersFor(container);
    section.setClient(container);
    GridData gd = new GridData(GridData.FILL_BOTH);
    if (((ManifestEditor) getPage().getEditor()).isEquinox()) {
      gd.verticalSpan = 2;
      gd.minimumWidth = 300;
    }
    section.setLayout(FormLayoutFactory.createClearGridLayout(false, 1));
    section.setLayoutData(gd);
    makeActions();

    IBundleModel model = getBundleModel();
    fPackageViewer.setInput(model);
    model.addModelChangedListener(this);
    updateButtons();
  }