angular-slimscroll/angular-slimscroll.js at master · asilvis/angular-slimscroll · GitHub

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angular.module('ui.slimscroll', []).directive('slimscroll', function () {
  'use strict';

  return {
    restrict: 'A',
    link: function ($scope, $elem, $attr) {
      var off = [];
      var option = {};

      var refresh = function () {
        if (angular.isDefined($attr.slimscroll)) {
          option = $scope.$eval($attr.slimscroll) || {};
        } else if ($attr.slimscrollOption) {
          option = $scope.$eval($attr.slimscrollOption) || {};
        }

        var el = angular.element($elem);

        el.slimScroll({destroy: true});
        el.slimScroll(option);
      };

      var registerWatch = function () {
        if (angular.isDefined($attr.slimscroll) && !option.noWatch) {
          off.push($scope.$watchCollection($attr.slimscroll, refresh));
        }

        if ($attr.slimscrollWatch) {
          off.push($scope.$watchCollection($attr.slimscrollWatch, refresh));
        }

        if ($attr.slimscrolllistento) {
          off.push($scope.$on($attr.slimscrolllistento, refresh));
        }
      };

      var destructor = function () {
        angular.element($elem).slimScroll({destroy: true});
        off.forEach(function (unbind) {
          unbind();
        });
        off = null;
      };

      off.push($scope.$on('$destroy', destructor));

      registerWatch();
    }
  };
});