* @cfg {string} dataId cutomer id
* @cfg {string} name Specifies name attribute
* @cfg {string} tooltip Text for the tooltip
* @cfg {string} dataId cutomer id
* @cfg {string} name Specifies name attribute
* @cfg {string} tooltip Text for the tooltip
* @cfg {string} container_method method to fetch parents container element (used by NavHeaderbar - getHeaderChildContainer)
* @cfg {string|object} visibilityEl (el|parent) What element to use for visibility (@see getVisibilityEl())
* @cfg {string} container_method method to fetch parents container element (used by NavHeaderbar - getHeaderChildContainer)
* @cfg {string|object} visibilityEl (el|parent) What element to use for visibility (@see getVisibilityEl())
if(this.tabIndex !== undefined){
this.el.dom.setAttribute('tabIndex', this.tabIndex);
if(this.tabIndex !== undefined){
this.el.dom.setAttribute('tabIndex', this.tabIndex);