code: function () {
                  var _this = this;
                  /** @type {?} */
                  var data = { filter: this.selectedFilter };
                  /** @type {?} */
                  var bottomSheetRef = this.bottomSheet.open(NgxFilterMenuComponent, {
                      data: data
                  });
                  bottomSheetRef.afterDismissed().subscribe(function () {
                      _this.selectedFilter = data.filter;
                      _this.applyFilter(true);
                  });
              }
docs: open the bottom sheet for selecting filters, and applies the selected filter in preview mode
  @private
  @return {?}