var app = angular.module('app', []);

​

​

app.filter('customSorter', function() {

  function CustomOrder(item)

  {

    switch(item) {

    case 'A_Class':

        return 2;

    case 'B_Class':

        return 1;

      case 'C_Class':

        return 3;

} 

  }

  return function(items, field) {

    var filtered = [];

    angular.forEach(items, function(item) {

      filtered.push(item);

    });

    filtered.sort(function (a, b) {

​

      return (CustomOrder(a.class) > CustomOrder(b.class) ? 1 : -1);

    });

​

    return filtered;

  };

});

​

app.controller('firstCtrl', function($scope){

  $scope.students = [

           {name: 'Aa_Student', class: 'A_Class'},

           {name: 'Ab_Student', class: 'A_Class'},

           {name: 'Ac_Student', class: 'B_Class'},

           {name: 'Ba_Student', class: 'B_Class'},

           {name: 'Bb_Student', class: 'C_Class'},

           {name: 'Bc_Student', class: 'C_Class'}];

});