code: function() {
          var me = this,
              min = me.normalizeDate(me.minValue || me.absMin),
              max = me.normalizeDate(me.maxValue || me.absMax);
  
          me.rangeFilter.setFilterFn(function(record) {
              var date = record.get('date');
              return date >= min && date <= max;
          });
          me.store.filter();
      }
docs: Update the list of available times in the list to be constrained within the {@link #minValue}
  and {@link #maxValue}.