@Override
	public void selectionChanged(IAction action, ISelection selection) {
		// get the selected text
		if (EditorUtils.getActiveXtextEditor() != null) {
		
			project = EditorUtils.getActiveXtextEditor().getResource().getProject();

			// get the selected text
			ITextSelection textSelection = (ITextSelection) EditorUtils.getActiveXtextEditor().getSelectionProvider().getSelection();
			foundElement = getSelectedElement(textSelection);
			if (foundElement != null)
				System.out.println("foundElement: " + foundElement.toString());

		}

	}

	private EObject getSelectedElement(ITextSelection textSelection) {

		if (EditorUtils.getActiveXtextEditor() != null) {

			EObjectAtOffsetHelper atOffsetHelper = new EObjectAtOffsetHelper();
			int offset = textSelection.getOffset();

			String xtextFilePath = EditorUtils.getActiveXtextEditor().getResource().getFullPath().toString();
		        XtextResource xtextRes= (XtextResource) set.getResource(URI.createPlatformResourceURI(xtextFilePath, true), true);

			EObject elem = atOffsetHelper.resolveElementAt(xtextRes, offset);
			if (elem != null) {
				return elem;
			}
		}
		return null;

	}