function _onClickListItem(weEvt){
        var welTarget = $(weEvt.target);
        var welItem = $(weEvt.currentTarget);

        if(welTarget.hasClass("btn-delete")){
            _deleteAttachedFile(welItem);
        } else {
            _insertLinkToTextarea(welItem);
        }
    }
On Click attached files list

@param {Wrapped Event} weEvt