* @cfg {String} capture (user|camera) use for file input only. (default empty)
* @cfg {String} accept (image|video|audio) use for file input only. (default empty)
* @cfg {Boolean} preventMark Do not show tick or cross if error/success
* @cfg {String} capture (user|camera) use for file input only. (default empty)
* @cfg {String} accept (image|video|audio) use for file input only. (default empty)
* @cfg {Boolean} preventMark Do not show tick or cross if error/success