private void performToggleAction() {
    final Collection<DefaultMutableTreeNode> selectedInjections = myParamsTable.getSelection();
    boolean enabledExists = false;
    boolean disabledExists = false;
    for (DefaultMutableTreeNode node : selectedInjections) {
      final Boolean nodeSelected = isNodeSelected(node);
      if (Boolean.TRUE == nodeSelected) enabledExists = true;
      else if (Boolean.FALSE == nodeSelected) disabledExists = true;
      if (enabledExists && disabledExists) break;
    }
    boolean allEnabled = !enabledExists && disabledExists;
    for (DefaultMutableTreeNode node : selectedInjections) {
      setNodeSelected(node, allEnabled);
    }
    myParamsTable.updateUI();
  }
private void performToggleAction()