code: function (oArgs) {
          var node;
          if ('node' in oArgs && oArgs.node instanceof Widget.Node) {
              node = oArgs.node;
          } else if (oArgs instanceof Widget.Node) {
              node = oArgs;
          } else {
              return false;
          }
          node.toggleHighlight();
          return false;
      }
docs: Event listener to toggle node highlight.
  Can be assigned as listener to clickEvent, dblClickEvent and enterKeyPressed.
  It returns false to prevent the default action.
  @method onEventToggleHighlight
  @param oArgs {any} it takes the arguments of any of the events mentioned above
  @return {false} Always cancels the default action for the event