public Object getData(String dataId) {
PackageDependenciesNode node = getSelectedNode();
if (PlatformDataKeys.NAVIGATABLE.is(dataId)) {
return node;
}
if (LangDataKeys.PSI_ELEMENT.is(dataId) && node != null) {
final PsiElement element = node.getPsiElement();
return element != null && element.isValid() ? element : null;
}
return null;
}