code: function(oList){
  		var oAtt = oList._getAtt();
  		if (oAtt && !oList._isTop()) {
  			oList.$("head-txt").html(encodeXML(oAtt.getText())
  					+ "<span class=\"sapUiUx3ExactLstHeadInfo\">&nbsp;(" + oList._lb.getSelectedIndices().length + "/" + oList._lb.getItems().length + ")</span>");
  		}
  	}
docs: Refresh the header text of the list