code: function() {
        for (var k in this.map) {
          var c = this.$widget[0].querySelectorAll('.'+k);
          // set properties like this.$day, this.$month etc.
          this['$'+k] = c.length ? angular.element(c) : null;
          // fill with items
          this.fillCombo(k);
        }
      }
docs: /*
  Initialize combos that presents in template