private void onSelectionChanged() {
    if (!myFrameworksTree.isProcessingMouseEventOnCheckbox()) {
      updateOptionsPanel();
    }

    final FrameworkSupportNodeBase selectedNode = getSelectedNode();
    if (!Comparing.equal(selectedNode, myLastSelectedNode)) {
      applyLibraryOptionsForSelected();

      myLastSelectedNode = selectedNode;
    }
  }
private void onSelectionChanged()